6402902000 has 80 divisors (see below), whose sum is σ = 16889749344. Its totient is φ = 2328320000.

The previous prime is 6402901997. The next prime is 6402902021. The reversal of 6402902000 is 2092046.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123521 + ... + 167520.

Almost surely, 2^6402902000 is an apocalyptic number.

It is an amenable number.

6402902000 is an abundant number, since it is smaller than the sum of its proper divisors (10486847344).

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

6402902000 is a wasteful number, since it uses less digits than its factorization.

6402902000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291075 (or 291059 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 6402902000 is about 80018.1354444104. The cubic root of 6402902000 is about 1856.9161137657.

Adding to 6402902000 its reverse (2092046), we get a palindrome (6404994046).

The spelling of 6402902000 in words is "six billion, four hundred two million, nine hundred two thousand".