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2400424224420 = 223569019579653
BaseRepresentation
bin100010111011100100011…
…011101110011010100100
322111110220200200001110110
4202323210123232122210
5303312032100140140
65034423433453020
7335265515152665
oct42734433563244
98443820601413
102400424224420
11846017994282
12329275271170
13145488a46181
148427712136c
1542691c72380
hex22ee46ee6a4

2400424224420 has 48 divisors (see below), whose sum is σ = 6721296805440. Its totient is φ = 640102747776.

The previous prime is 2400424224413. The next prime is 2400424224431. The reversal of 2400424224420 is 244224240042.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3851314 + ... + 4430966.

It is an arithmetic number, because the mean of its divisors is an integer number (140027016780).

Almost surely, 22400424224420 is an apocalyptic number.

2400424224420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2400424224420 is an abundant number, since it is smaller than the sum of its proper divisors (4320872581020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2400424224420 is a wasteful number, since it uses less digits than its factorization.

2400424224420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648684 (or 648682 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 2400424224420 its reverse (244224240042), we get a palindrome (2644648464462).

The spelling of 2400424224420 in words is "two trillion, four hundred billion, four hundred twenty-four million, two hundred twenty-four thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 69019 138038 207057 276076 345095 414114 579653 690190 828228 1035285 1159306 1380380 1738959 2070570 2318612 2898265 3477918 4141140 5796530 6955836 8694795 11593060 17389590 34779180 40007070407 80014140814 120021211221 160028281628 200035352035 240042422442 400070704070 480084844884 600106056105 800141408140 1200212112210 2400424224420