65044357572 has 24 divisors (see below), whose sum is σ = 151846604896. Its totient is φ = 21670532928.

The previous prime is 65044357571. The next prime is 65044357583. The reversal of 65044357572 is 27575344056.

It is not an unprimeable number, because it can be changed into a prime (65044357571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1340113 + ... + 1387800.

Almost surely, 2^65044357572 is an apocalyptic number.

It is an amenable number.

65044357572 is an abundant number, since it is smaller than the sum of its proper divisors (86802247324).

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

65044357572 is a wasteful number, since it uses less digits than its factorization.

65044357572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2729907 (or 2729905 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 48.

The spelling of 65044357572 in words is "sixty-five billion, forty-four million, three hundred fifty-seven thousand, five hundred seventy-two".