654739937456 has 80 divisors (see below), whose sum is σ = 1465485488640. Its totient is φ = 280064701440.

The previous prime is 654739937443. The next prime is 654739937459.

654739937456 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (68).

It is not an unprimeable number, because it can be changed into a prime (654739937459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41518085 + ... + 41533851.

It is an arithmetic number, because the mean of its divisors is an integer number (18318568608).

Almost surely, 2^654739937456 is an apocalyptic number.

It is an amenable number.

654739937456 is an abundant number, since it is smaller than the sum of its proper divisors (810745551184).

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

654739937456 is a wasteful number, since it uses less digits than its factorization.

654739937456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29682 (or 29676 counting only the distinct ones).

The product of its digits is 514382400, while the sum is 68.

The spelling of 654739937456 in words is "six hundred fifty-four billion, seven hundred thirty-nine million, nine hundred thirty-seven thousand, four hundred fifty-six".