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2400420044 = 221154555001
BaseRepresentation
bin1000111100010011…
…1000000011001100
320012021210222021002
42033010320003030
514404001420134
61034105155432
7113325143111
oct21704700314
96167728232
102400420044
111021a7a120
1256ba8bb78
132c3404bb9
1418ab2c908
15e0b0a87e
hex8f1380cc

2400420044 has 12 divisors (see below), whose sum is σ = 4582620168. Its totient is φ = 1091100000.

The previous prime is 2400420041. The next prime is 2400420073. The reversal of 2400420044 is 4400240042.

It is a junction number, because it is equal to n+sod(n) for n = 2400419998 and 2400420025.

It is not an unprimeable number, because it can be changed into a prime (2400420041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27277457 + ... + 27277544.

It is an arithmetic number, because the mean of its divisors is an integer number (381885014).

Almost surely, 22400420044 is an apocalyptic number.

It is an amenable number.

2400420044 is a deficient number, since it is larger than the sum of its proper divisors (2182200124).

2400420044 is a wasteful number, since it uses less digits than its factorization.

2400420044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54555016 (or 54555014 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 2400420044 is about 48994.0817242246. The cubic root of 2400420044 is about 1338.9440043008.

Adding to 2400420044 its reverse (4400240042), we get a palindrome (6800660086).

The spelling of 2400420044 in words is "two billion, four hundred million, four hundred twenty thousand, forty-four".

Divisors: 1 2 4 11 22 44 54555001 109110002 218220004 600105011 1200210022 2400420044