61604482344 has 64 divisors (see below), whose sum is σ = 163354752000. Its totient is φ = 19305524160.

The previous prime is 61604482307. The next prime is 61604482361. The reversal of 61604482344 is 44328440616.

It is a super-2 number, since 2×61604482344² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61604482296 and 61604482305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455904 + ... + 575375.

It is an arithmetic number, because the mean of its divisors is an integer number (2552418000).

Almost surely, 2^61604482344 is an apocalyptic number.

It is an amenable number.

61604482344 is an abundant number, since it is smaller than the sum of its proper divisors (101750269656).

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

61604482344 is a wasteful number, since it uses less digits than its factorization.

61604482344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031438 (or 1031434 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 42.

The spelling of 61604482344 in words is "sixty-one billion, six hundred four million, four hundred eighty-two thousand, three hundred forty-four".