514643278020 has 96 divisors (see below), whose sum is σ = 1445338339200. Its totient is φ = 136825565184.

The previous prime is 514643278001. The next prime is 514643278033. The reversal of 514643278020 is 20872346415.

It is a super-2 number, since 2×514643278020² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 47484042 + ... + 47494878.

It is an arithmetic number, because the mean of its divisors is an integer number (15055607700).

Almost surely, 2^514643278020 is an apocalyptic number.

It is an amenable number.

514643278020 is an abundant number, since it is smaller than the sum of its proper divisors (930695061180).

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

514643278020 is a wasteful number, since it uses less digits than its factorization.

514643278020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13157 (or 13155 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 514643278020 in words is "five hundred fourteen billion, six hundred forty-three million, two hundred seventy-eight thousand, twenty".