52954768440 has 512 divisors, whose sum is σ = 207348480000. Its totient is φ = 12015972864.

The previous prime is 52954768421. The next prime is 52954768441. The reversal of 52954768440 is 4486745925.

52954768440 is a `hidden beast` number, since 5 + 2 + 95 + 476 + 84 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52954768441) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 60381282 + ... + 60382158.

It is an arithmetic number, because the mean of its divisors is an integer number (404977500).

Almost surely, 2^52954768440 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 52954768440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103674240000).

52954768440 is an abundant number, since it is smaller than the sum of its proper divisors (154393711560).

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

52954768440 is a wasteful number, since it uses less digits than its factorization.

52954768440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081 (or 1057 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 54.

The spelling of 52954768440 in words is "fifty-two billion, nine hundred fifty-four million, seven hundred sixty-eight thousand, four hundred forty".