52412064144 has 40 divisors (see below), whose sum is σ = 147706727712. Its totient is φ = 15882443520.

The previous prime is 52412064143. The next prime is 52412064169. The reversal of 52412064144 is 44146021425.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (52412064143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49632109 + ... + 49633164.

Almost surely, 2^52412064144 is an apocalyptic number.

It is an amenable number.

52412064144 is an abundant number, since it is smaller than the sum of its proper divisors (95294663568).

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

52412064144 is a wasteful number, since it uses less digits than its factorization.

52412064144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99265295 (or 99265289 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

Adding to 52412064144 its reverse (44146021425), we get a palindrome (96558085569).

The spelling of 52412064144 in words is "fifty-two billion, four hundred twelve million, sixty-four thousand, one hundred forty-four".