52782688840 has 64 divisors (see below), whose sum is σ = 135815097600. Its totient is φ = 18085164288.

The previous prime is 52782688831. The next prime is 52782688843. The reversal of 52782688840 is 4888628725.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (52782688843) 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, 376062 + ... + 496978.

It is an arithmetic number, because the mean of its divisors is an integer number (2122110900).

Almost surely, 2^52782688840 is an apocalyptic number.

It is an amenable number.

52782688840 is an abundant number, since it is smaller than the sum of its proper divisors (83032408760).

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

52782688840 is a wasteful number, since it uses less digits than its factorization.

52782688840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122494 (or 122490 counting only the distinct ones).

The product of its (nonzero) digits is 13762560, while the sum is 58.

The spelling of 52782688840 in words is "fifty-two billion, seven hundred eighty-two million, six hundred eighty-eight thousand, eight hundred forty".