51021040014 has 24 divisors (see below), whose sum is σ = 126337813680. Its totient is φ = 14577439968.

The previous prime is 51021040013. The next prime is 51021040123. The reversal of 51021040014 is 41004012015.

51021040014 is a `hidden beast` number, since 51 + 0 + 210 + 400 + 1 + 4 = 666.

51021040014 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51021040014² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51021040013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202464319 + ... + 202464570.

It is an arithmetic number, because the mean of its divisors is an integer number (5264075570).

Almost surely, 2^51021040014 is an apocalyptic number.

51021040014 is an abundant number, since it is smaller than the sum of its proper divisors (75316773666).

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

51021040014 is a wasteful number, since it uses less digits than its factorization.

51021040014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404928904 (or 404928901 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 51021040014 its reverse (41004012015), we get a palindrome (92025052029).

The spelling of 51021040014 in words is "fifty-one billion, twenty-one million, forty thousand, fourteen".