30655356428 has 12 divisors (see below), whose sum is σ = 56470393560. Its totient is φ = 14520958272.

The previous prime is 30655356401. The next prime is 30655356443. The reversal of 30655356428 is 82465355603.

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 3 ways as a sum of consecutive naturals, for example, 201679901 + ... + 201680052.

It is an arithmetic number, because the mean of its divisors is an integer number (4705866130).

Almost surely, 2^30655356428 is an apocalyptic number.

30655356428 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

30655356428 is a deficient number, since it is larger than the sum of its proper divisors (25815037132).

30655356428 is a wasteful number, since it uses less digits than its factorization.

30655356428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403359976 (or 403359974 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 30655356428 in words is "thirty billion, six hundred fifty-five million, three hundred fifty-six thousand, four hundred twenty-eight".