51414007217540 has 48 divisors (see below), whose sum is σ = 118395100656000. Its totient is φ = 18599132129280.

The previous prime is 51414007217501. The next prime is 51414007217593. The reversal of 51414007217540 is 4571270041415.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 605398040 + ... + 605482959.

It is an arithmetic number, because the mean of its divisors is an integer number (2466564597000).

Almost surely, 2^{51414007217540} is an apocalyptic number.

It is an amenable number.

51414007217540 is an abundant number, since it is smaller than the sum of its proper divisors (66981093438460).

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

51414007217540 is a wasteful number, since it uses less digits than its factorization.

51414007217540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210881212 (or 1210881210 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 41.

Adding to 51414007217540 its reverse (4571270041415), we get a palindrome (55985277258955).

The spelling of 51414007217540 in words is "fifty-one trillion, four hundred fourteen billion, seven million, two hundred seventeen thousand, five hundred forty".