60440138464 has 12 divisors (see below), whose sum is σ = 118991522664. Its totient is φ = 30220069216.

The previous prime is 60440138459. The next prime is 60440138489. The reversal of 60440138464 is 46483104406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 944377132 + ... + 944377195.

It is an arithmetic number, because the mean of its divisors is an integer number (9915960222).

Almost surely, 2^60440138464 is an apocalyptic number.

It is an amenable number.

60440138464 is a deficient number, since it is larger than the sum of its proper divisors (58551384200).

60440138464 is a wasteful number, since it uses less digits than its factorization.

60440138464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888754337 (or 1888754329 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 40.

The spelling of 60440138464 in words is "sixty billion, four hundred forty million, one hundred thirty-eight thousand, four hundred sixty-four".