402934901952 has 168 divisors, whose sum is σ = 1240759619568. Its totient is φ = 114918932480.

The previous prime is 402934901947. The next prime is 402934901977. The reversal of 402934901952 is 259109439204.

It is a super-2 number, since 2×402934901952² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115173 + ... + 905060.

It is an arithmetic number, because the mean of its divisors is an integer number (7385473926).

Almost surely, 2^402934901952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402934901952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (620379809784).

402934901952 is an abundant number, since it is smaller than the sum of its proper divisors (837824717616).

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

402934901952 is a wasteful number, since it uses less digits than its factorization.

402934901952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020287 (or 1020266 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 48.

The spelling of 402934901952 in words is "four hundred two billion, nine hundred thirty-four million, nine hundred one thousand, nine hundred fifty-two".