652781427144 has 64 divisors (see below), whose sum is σ = 2034643415040. Its totient is φ = 169553616960.

The previous prime is 652781427139. The next prime is 652781427167. The reversal of 652781427144 is 441724187256.

It is a super-2 number, since 2×652781427144² (a number of 24 digits) contains 22 as substring.

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, 176616504 + ... + 176620199.

It is an arithmetic number, because the mean of its divisors is an integer number (31791303360).

Almost surely, 2^652781427144 is an apocalyptic number.

It is an amenable number.

652781427144 is an abundant number, since it is smaller than the sum of its proper divisors (1381861987896).

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

652781427144 is a wasteful number, since it uses less digits than its factorization.

652781427144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353236730 (or 353236726 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 51.

The spelling of 652781427144 in words is "six hundred fifty-two billion, seven hundred eighty-one million, four hundred twenty-seven thousand, one hundred forty-four".