52931769240 has 128 divisors (see below), whose sum is σ = 182171151360. Its totient is φ = 12052637184.

The previous prime is 52931769227. The next prime is 52931769257. The reversal of 52931769240 is 4296713925.

It is a super-2 number, since 2×52931769240² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52931769240.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101122 + ... + 340718.

It is an arithmetic number, because the mean of its divisors is an integer number (1423212120).

Almost surely, 2^52931769240 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 52931769240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91085575680).

52931769240 is an abundant number, since it is smaller than the sum of its proper divisors (129239382120).

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

52931769240 is a wasteful number, since it uses less digits than its factorization.

52931769240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239881 (or 239877 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 48.

The spelling of 52931769240 in words is "fifty-two billion, nine hundred thirty-one million, seven hundred sixty-nine thousand, two hundred forty".