518978352 has 40 divisors (see below), whose sum is σ = 1371878464. Its totient is φ = 168969024.

The previous prime is 518978303. The next prime is 518978353. The reversal of 518978352 is 253879815.

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

It is not an unprimeable number, because it can be changed into a prime (518978353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123658 + ... + 127785.

Almost surely, 2^518978352 is an apocalyptic number.

It is an amenable number.

518978352 is an abundant number, since it is smaller than the sum of its proper divisors (852900112).

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

518978352 is a wasteful number, since it uses less digits than its factorization.

518978352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251497 (or 251491 counting only the distinct ones).

The product of its digits is 604800, while the sum is 48.

The square root of 518978352 is about 22781.0963739676. The cubic root of 518978352 is about 803.6181697234.

The spelling of 518978352 in words is "five hundred eighteen million, nine hundred seventy-eight thousand, three hundred fifty-two".