402949641608 has 32 divisors (see below), whose sum is σ = 756186948000. Its totient is φ = 201299884800.

The previous prime is 402949641463. The next prime is 402949641613. The reversal of 402949641608 is 806146949204.

It is a self number, because there is not a number n which added to its sum of digits gives 402949641608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63164963 + ... + 63171341.

It is an arithmetic number, because the mean of its divisors is an integer number (23630842125).

Almost surely, 2^402949641608 is an apocalyptic number.

It is an amenable number.

402949641608 is a deficient number, since it is larger than the sum of its proper divisors (353237306392).

402949641608 is a wasteful number, since it uses less digits than its factorization.

402949641608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12005 (or 12001 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 53.

The spelling of 402949641608 in words is "four hundred two billion, nine hundred forty-nine million, six hundred forty-one thousand, six hundred eight".