52782244464 has 40 divisors (see below), whose sum is σ = 136648690432. Its totient is φ = 17556073920.

The previous prime is 52782244441. The next prime is 52782244469. The reversal of 52782244464 is 46444228725.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52782244469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1165282 + ... + 1209729.

Almost surely, 2^52782244464 is an apocalyptic number.

It is an amenable number.

52782244464 is an abundant number, since it is smaller than the sum of its proper divisors (83866445968).

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

52782244464 is a wasteful number, since it uses less digits than its factorization.

52782244464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375485 (or 2375479 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 48.

The spelling of 52782244464 in words is "fifty-two billion, seven hundred eighty-two million, two hundred forty-four thousand, four hundred sixty-four".