61464404892 has 48 divisors (see below), whose sum is σ = 156495814272. Its totient is φ = 18620700480.

The previous prime is 61464404879. The next prime is 61464404951. The reversal of 61464404892 is 29840446416.

61464404892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 462018 + ... + 579990.

It is an arithmetic number, because the mean of its divisors is an integer number (3260329464).

Almost surely, 2^61464404892 is an apocalyptic number.

It is an amenable number.

61464404892 is an abundant number, since it is smaller than the sum of its proper divisors (95031409380).

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

61464404892 is a wasteful number, since it uses less digits than its factorization.

61464404892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121938 (or 121936 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 48.

The spelling of 61464404892 in words is "sixty-one billion, four hundred sixty-four million, four hundred four thousand, eight hundred ninety-two".