51860014842 has 32 divisors (see below), whose sum is σ = 108556669440. Its totient is φ = 16485107760.

The previous prime is 51860014841. The next prime is 51860014889. The reversal of 51860014842 is 24841006815.

It is a super-2 number, since 2×51860014842² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51860014842.

It is not an unprimeable number, because it can be changed into a prime (51860014841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521992 + ... + 613347.

It is an arithmetic number, because the mean of its divisors is an integer number (3392395920).

Almost surely, 2^51860014842 is an apocalyptic number.

51860014842 is an abundant number, since it is smaller than the sum of its proper divisors (56696654598).

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

51860014842 is a wasteful number, since it uses less digits than its factorization.

51860014842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135698.

The product of its (nonzero) digits is 61440, while the sum is 39.

The spelling of 51860014842 in words is "fifty-one billion, eight hundred sixty million, fourteen thousand, eight hundred forty-two".