6402905476 has 24 divisors (see below), whose sum is σ = 12645239040. Its totient is φ = 2810052000.

The previous prime is 6402905459. The next prime is 6402905477. The reversal of 6402905476 is 6745092046.

It is a happy number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6402905477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2507700 + ... + 2510251.

It is an arithmetic number, because the mean of its divisors is an integer number (526884960).

Almost surely, 2^6402905476 is an apocalyptic number.

It is an amenable number.

6402905476 is a deficient number, since it is larger than the sum of its proper divisors (6242333564).

6402905476 is a wasteful number, since it uses less digits than its factorization.

6402905476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5017995 (or 5017993 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 6402905476 is about 80018.1571644836. The cubic root of 6402905476 is about 1856.9164497925.

The spelling of 6402905476 in words is "six billion, four hundred two million, nine hundred five thousand, four hundred seventy-six".