53315120314440 has 128 divisors (see below), whose sum is σ = 177970589596800. Its totient is φ = 14197083667200.

The previous prime is 53315120314427. The next prime is 53315120314457. The reversal of 53315120314440 is 4441302151335.

53315120314440 is a `hidden beast` number, since 5 + 3 + 3 + 1 + 5 + 1 + 203 + 1 + 4 + 440 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 53315120314395 and 53315120314404.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34453942 + ... + 35968101.

It is an arithmetic number, because the mean of its divisors is an integer number (1390395231225).

Almost surely, 2^{53315120314440} is an apocalyptic number.

It is an amenable number.

53315120314440 is an abundant number, since it is smaller than the sum of its proper divisors (124655469282360).

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

53315120314440 is a wasteful number, since it uses less digits than its factorization.

53315120314440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70422764 (or 70422754 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 53315120314440 its reverse (4441302151335), we get a palindrome (57756422465775).

The spelling of 53315120314440 in words is "fifty-three trillion, three hundred fifteen billion, one hundred twenty million, three hundred fourteen thousand, four hundred forty".