653658440232 has 96 divisors (see below), whose sum is σ = 1983595348800. Its totient is φ = 178639566336.

The previous prime is 653658440131. The next prime is 653658440291. The reversal of 653658440232 is 232044856356.

It is a super-2 number, since 2×653658440232² (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 23 ways as a sum of consecutive naturals, for example, 12056257 + ... + 12110352.

It is an arithmetic number, because the mean of its divisors is an integer number (20662451550).

Almost surely, 2^653658440232 is an apocalyptic number.

It is an amenable number.

653658440232 is an abundant number, since it is smaller than the sum of its proper divisors (1329936908568).

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

653658440232 is a wasteful number, since it uses less digits than its factorization.

653658440232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24166655 (or 24166644 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 653658440232 in words is "six hundred fifty-three billion, six hundred fifty-eight million, four hundred forty thousand, two hundred thirty-two".