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402223330240 = 26519232791583
BaseRepresentation
bin1011101101001100110…
…00001111001111000000
31102110012122011020201021
411312212120033033000
523042223133031430
6504440121515224
741026316616244
oct5664630171700
91373178136637
10402223330240
11145644647306
1265b53942b14
132bc1114ab74
1415679594424
15a6e1bc307a
hex5da660f3c0

402223330240 has 336 divisors, whose sum is σ = 1067960678400. Its totient is φ = 143858018304.

The previous prime is 402223330237. The next prime is 402223330241. The reversal of 402223330240 is 42033322204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402223330241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 254088489 + ... + 254090071.

It is an arithmetic number, because the mean of its divisors is an integer number (3178454400).

Almost surely, 2402223330240 is an apocalyptic number.

402223330240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402223330240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (533980339200).

402223330240 is an abundant number, since it is smaller than the sum of its proper divisors (665737348160).

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

402223330240 is a wasteful number, since it uses less digits than its factorization.

402223330240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744 (or 1711 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 402223330240 its reverse (42033322204), we get a palindrome (444256652444).

The spelling of 402223330240 in words is "four hundred two billion, two hundred twenty-three million, three hundred thirty thousand, two hundred forty".