30490664557392 has 640 divisors, whose sum is σ = 103180915998720. Its totient is φ = 8531298017280.

The previous prime is 30490664557349. The next prime is 30490664557421. The reversal of 30490664557392 is 29375546609403.

30490664557392 is a `hidden beast` number, since 3 + 0 + 4 + 90 + 6 + 6 + 455 + 7 + 3 + 92 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1914873943 + ... + 1914889865.

It is an arithmetic number, because the mean of its divisors is an integer number (161220181248).

Almost surely, 2^{30490664557392} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30490664557392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51590457999360).

30490664557392 is an abundant number, since it is smaller than the sum of its proper divisors (72690251441328).

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

30490664557392 is a wasteful number, since it uses less digits than its factorization.

30490664557392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16648 (or 16636 counting only the distinct ones).

The product of its (nonzero) digits is 146966400, while the sum is 63.

The spelling of 30490664557392 in words is "thirty trillion, four hundred ninety billion, six hundred sixty-four million, five hundred fifty-seven thousand, three hundred ninety-two".