51436541857340 has 12 divisors (see below), whose sum is σ = 108016737900456. Its totient is φ = 20574616742928.

The previous prime is 51436541857339. The next prime is 51436541857391. The reversal of 51436541857340 is 4375814563415.

It is a super-3 number, since 3×51436541857340³ (a number of 42 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 3 ways as a sum of consecutive naturals, for example, 1285913546414 + ... + 1285913546453.

It is an arithmetic number, because the mean of its divisors is an integer number (9001394825038).

Almost surely, 2^{51436541857340} is an apocalyptic number.

It is an amenable number.

51436541857340 is an abundant number, since it is smaller than the sum of its proper divisors (56580196043116).

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

51436541857340 is a wasteful number, since it uses less digits than its factorization.

51436541857340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571827092876 (or 2571827092874 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 56.

The spelling of 51436541857340 in words is "fifty-one trillion, four hundred thirty-six billion, five hundred forty-one million, eight hundred fifty-seven thousand, three hundred forty".