52819236978464 has 48 divisors (see below), whose sum is σ = 117100713090816. Its totient is φ = 23234268460800.

The previous prime is 52819236978439. The next prime is 52819236978467. The reversal of 52819236978464 is 46487963291825.

It is a junction number, because it is equal to n+sod(n) for n = 52819236978391 and 52819236978400.

It is not an unprimeable number, because it can be changed into a prime (52819236978467) 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, 2420225387 + ... + 2420247210.

It is an arithmetic number, because the mean of its divisors is an integer number (2439598189392).

Almost surely, 2^{52819236978464} is an apocalyptic number.

It is an amenable number.

52819236978464 is an abundant number, since it is smaller than the sum of its proper divisors (64281476112352).

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

52819236978464 is a wasteful number, since it uses less digits than its factorization.

52819236978464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4840472649 (or 4840472641 counting only the distinct ones).

The product of its digits is 1254113280, while the sum is 74.

The spelling of 52819236978464 in words is "fifty-two trillion, eight hundred nineteen billion, two hundred thirty-six million, nine hundred seventy-eight thousand, four hundred sixty-four".