30492674856 has 320 divisors, whose sum is σ = 107220326400. Its totient is φ = 7894288512.

The previous prime is 30492674851. The next prime is 30492674873. The reversal of 30492674856 is 65847629403.

30492674856 is a `hidden beast` number, since 3 + 0 + 492 + 6 + 74 + 85 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (30492674851) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1974541 + ... + 1989923.

It is an arithmetic number, because the mean of its divisors is an integer number (335063520).

Almost surely, 2^30492674856 is an apocalyptic number.

30492674856 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30492674856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53610163200).

30492674856 is an abundant number, since it is smaller than the sum of its proper divisors (76727651544).

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

30492674856 is a wasteful number, since it uses less digits than its factorization.

30492674856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15450 (or 15437 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 30492674856 in words is "thirty billion, four hundred ninety-two million, six hundred seventy-four thousand, eight hundred fifty-six".