653493122880 has 112 divisors (see below), whose sum is σ = 2234443835904. Its totient is φ = 160859842560.

The previous prime is 653493122857. The next prime is 653493122881. The reversal of 653493122880 is 88221394356.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653493122881) 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, 26169136 + ... + 26194095.

It is an arithmetic number, because the mean of its divisors is an integer number (19950391392).

Almost surely, 2^653493122880 is an apocalyptic number.

653493122880 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

653493122880 is an abundant number, since it is smaller than the sum of its proper divisors (1580950713024).

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

653493122880 is a wasteful number, since it uses less digits than its factorization.

653493122880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52363264 (or 52363254 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 653493122880 in words is "six hundred fifty-three billion, four hundred ninety-three million, one hundred twenty-two thousand, eight hundred eighty".