30403666902 has 24 divisors (see below), whose sum is σ = 70735062456. Its totient is φ = 8686761888.

The previous prime is 30403666877. The next prime is 30403666913. The reversal of 30403666902 is 20966630403.

It is a super-2 number, since 2×30403666902² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51706623 + ... + 51707210.

It is an arithmetic number, because the mean of its divisors is an integer number (2947294269).

Almost surely, 2^30403666902 is an apocalyptic number.

30403666902 is an abundant number, since it is smaller than the sum of its proper divisors (40331395554).

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

30403666902 is a wasteful number, since it uses less digits than its factorization.

30403666902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103413852 (or 103413845 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 39.

The spelling of 30403666902 in words is "thirty billion, four hundred three million, six hundred sixty-six thousand, nine hundred two".