65740050880 has 56 divisors (see below), whose sum is σ = 178906858848. Its totient is φ = 22539445248.

The previous prime is 65740050877. The next prime is 65740050931. The reversal of 65740050880 is 8805004756.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14671879 + ... + 14676358.

Almost surely, 2^65740050880 is an apocalyptic number.

It is an amenable number.

65740050880 is an abundant number, since it is smaller than the sum of its proper divisors (113166807968).

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

65740050880 is a wasteful number, since it uses less digits than its factorization.

65740050880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29348261 (or 29348251 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 65740050880 in words is "sixty-five billion, seven hundred forty million, fifty thousand, eight hundred eighty".