30660261126400 has 54 divisors (see below), whose sum is σ = 75888936969482. Its totient is φ = 12264104448000.

The previous prime is 30660261126359. The next prime is 30660261126419. The reversal of 30660261126400 is 462116206603.

It can be written as a sum of positive squares in 3 ways, for example, as 386043904 + 30659875082496 = 19648^2 + 5537136^2 .

It is a super-2 number, since 2×30660261126400² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30660261126400.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2395326501 + ... + 2395339300.

Almost surely, 2^{30660261126400} is an apocalyptic number.

It is an amenable number.

30660261126400 is an abundant number, since it is smaller than the sum of its proper divisors (45228675843082).

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

30660261126400 is an equidigital number, since it uses as much as digits as its factorization.

30660261126400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4790665827 (or 4790665808 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 30660261126400 in words is "thirty trillion, six hundred sixty billion, two hundred sixty-one million, one hundred twenty-six thousand, four hundred".