61318028480 has 56 divisors (see below), whose sum is σ = 147353213040. Its totient is φ = 24302177280.

The previous prime is 61318028477. The next prime is 61318028567. The reversal of 61318028480 is 8482081316.

61318028480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×61318028480² (a number of 22 digits) contains 22 as substring.

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, 844106 + ... + 913865.

Almost surely, 2^61318028480 is an apocalyptic number.

It is an amenable number.

61318028480 is an abundant number, since it is smaller than the sum of its proper divisors (86035184560).

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

61318028480 is a wasteful number, since it uses less digits than its factorization.

61318028480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758097 (or 1758087 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 41.

The spelling of 61318028480 in words is "sixty-one billion, three hundred eighteen million, twenty-eight thousand, four hundred eighty".