30518467492 has 24 divisors (see below), whose sum is σ = 55346167800. Its totient is φ = 14707128576.

The previous prime is 30518467487. The next prime is 30518467501. The reversal of 30518467492 is 29476481503.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 553472676 + 29964994816 = 23526^2 + 173104^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165183 + ... + 297190.

It is an arithmetic number, because the mean of its divisors is an integer number (2306090325).

It is a 1-persistent number, because it is pandigital, but 2⋅30518467492 = 61036934984 is not.

Almost surely, 2^30518467492 is an apocalyptic number.

It is an amenable number.

30518467492 is a deficient number, since it is larger than the sum of its proper divisors (24827700308).

30518467492 is a wasteful number, since it uses less digits than its factorization.

30518467492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462975 (or 462973 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 30518467492 in words is "thirty billion, five hundred eighteen million, four hundred sixty-seven thousand, four hundred ninety-two".