52410400140 has 192 divisors, whose sum is σ = 169225233408. Its totient is φ = 11872051200.

The previous prime is 52410400117. The next prime is 52410400169. The reversal of 52410400140 is 4100401425.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22975800 + ... + 22978080.

It is an arithmetic number, because the mean of its divisors is an integer number (881381424).

Almost surely, 2^52410400140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52410400140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84612616704).

52410400140 is an abundant number, since it is smaller than the sum of its proper divisors (116814833268).

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

52410400140 is a wasteful number, since it uses less digits than its factorization.

52410400140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2768 (or 2766 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 52410400140 its reverse (4100401425), we get a palindrome (56510801565).

The spelling of 52410400140 in words is "fifty-two billion, four hundred ten million, four hundred thousand, one hundred forty".