8402398902 has 48 divisors (see below), whose sum is σ = 18320440320. Its totient is φ = 2783127600.

The previous prime is 8402398859. The next prime is 8402398957. The reversal of 8402398902 is 2098932048.

It is a congruent number.

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, 2041827 + ... + 2045937.

It is an arithmetic number, because the mean of its divisors is an integer number (381675840).

Almost surely, 2^8402398902 is an apocalyptic number.

8402398902 is an abundant number, since it is smaller than the sum of its proper divisors (9918041418).

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

8402398902 is a wasteful number, since it uses less digits than its factorization.

8402398902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4809 (or 4806 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 8402398902 is about 91664.6000482193. The cubic root of 8402398902 is about 2032.9862059458.

The spelling of 8402398902 in words is "eight billion, four hundred two million, three hundred ninety-eight thousand, nine hundred two".