51402515414 has 16 divisors (see below), whose sum is σ = 77208262656. Its totient is φ = 25666453800.

The previous prime is 51402515389. The next prime is 51402515459. The reversal of 51402515414 is 41451520415.

It is a happy number.

It is a super-3 number, since 3×51402515414³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5332379 + ... + 5342009.

It is an arithmetic number, because the mean of its divisors is an integer number (4825516416).

Almost surely, 2^51402515414 is an apocalyptic number.

51402515414 is a deficient number, since it is larger than the sum of its proper divisors (25805747242).

51402515414 is a wasteful number, since it uses less digits than its factorization.

51402515414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12971.

The product of its (nonzero) digits is 16000, while the sum is 32.

The spelling of 51402515414 in words is "fifty-one billion, four hundred two million, five hundred fifteen thousand, four hundred fourteen".