514042545978 has 32 divisors (see below), whose sum is σ = 1230187291200. Its totient is φ = 158166937008.

The previous prime is 514042545943. The next prime is 514042545983. The reversal of 514042545978 is 879545240415.

514042545978 is a `hidden beast` number, since 5 + 1 + 4 + 0 + 4 + 2 + 545 + 97 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366126468 + ... + 366127871.

It is an arithmetic number, because the mean of its divisors is an integer number (38443352850).

Almost surely, 2^514042545978 is an apocalyptic number.

514042545978 is an abundant number, since it is smaller than the sum of its proper divisors (716144745222).

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

514042545978 is a wasteful number, since it uses less digits than its factorization.

514042545978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732254363 (or 732254357 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 54.

The spelling of 514042545978 in words is "five hundred fourteen billion, forty-two million, five hundred forty-five thousand, nine hundred seventy-eight".