53644200740 has 96 divisors (see below), whose sum is σ = 131588289504. Its totient is φ = 18187223040.

The previous prime is 53644200721. The next prime is 53644200767. The reversal of 53644200740 is 4700244635.

53644200740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 16 ways, for example, as 8804444224 + 44839756516 = 93832^2 + 211754^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53644200740.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33212 + ... + 329228.

It is an arithmetic number, because the mean of its divisors is an integer number (1370711349).

Almost surely, 2^53644200740 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 53644200740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65794144752).

53644200740 is an abundant number, since it is smaller than the sum of its proper divisors (77944088764).

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

53644200740 is a wasteful number, since it uses less digits than its factorization.

53644200740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296097 (or 296095 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 35.

The spelling of 53644200740 in words is "fifty-three billion, six hundred forty-four million, two hundred thousand, seven hundred forty".