52970140644 has 24 divisors (see below), whose sum is σ = 124355263200. Its totient is φ = 17548389504.

The previous prime is 52970140633. The next prime is 52970140661. The reversal of 52970140644 is 44604107925.

It is a junction number, because it is equal to n+sod(n) for n = 52970140596 and 52970140605.

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, 13538469 + ... + 13542380.

It is an arithmetic number, because the mean of its divisors is an integer number (5181469300).

Almost surely, 2^52970140644 is an apocalyptic number.

It is an amenable number.

52970140644 is an abundant number, since it is smaller than the sum of its proper divisors (71385122556).

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

52970140644 is a wasteful number, since it uses less digits than its factorization.

52970140644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27081019 (or 27081017 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 52970140644 in words is "fifty-two billion, nine hundred seventy million, one hundred forty thousand, six hundred forty-four".