652277275644 has 24 divisors (see below), whose sum is σ = 1522032882048. Its totient is φ = 217418248240.

The previous prime is 652277275633. The next prime is 652277275681. The reversal of 652277275644 is 446572772256.

It is a happy number.

It is a super-2 number, since 2×652277275644² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 571152 + ... + 1277015.

It is an arithmetic number, because the mean of its divisors is an integer number (63418036752).

Almost surely, 2^652277275644 is an apocalyptic number.

It is an amenable number.

652277275644 is an abundant number, since it is smaller than the sum of its proper divisors (869755606404).

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

652277275644 is a wasteful number, since it uses less digits than its factorization.

652277275644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877585 (or 1877583 counting only the distinct ones).

The product of its digits is 39513600, while the sum is 57.

The spelling of 652277275644 in words is "six hundred fifty-two billion, two hundred seventy-seven million, two hundred seventy-five thousand, six hundred forty-four".