52444959840 has 1056 divisors, whose sum is σ = 232489244736. Its totient is φ = 10883911680.

The previous prime is 52444959803. The next prime is 52444959947. The reversal of 52444959840 is 4895944425.

52444959840 is a `hidden beast` number, since 5 + 2 + 4 + 4 + 4 + 9 + 598 + 40 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 175 ways as a sum of consecutive naturals, for example, 859753410 + ... + 859753470.

Almost surely, 2^52444959840 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 52444959840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116244622368).

52444959840 is an abundant number, since it is smaller than the sum of its proper divisors (180044284896).

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

52444959840 is an equidigital number, since it uses as much as digits as its factorization.

52444959840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 54.

The spelling of 52444959840 in words is "fifty-two billion, four hundred forty-four million, nine hundred fifty-nine thousand, eight hundred forty".