53723868240 has 160 divisors (see below), whose sum is σ = 190648154880. Its totient is φ = 12259602432.

The previous prime is 53723868239. The next prime is 53723868251. The reversal of 53723868240 is 4286832735.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 53723868240.

It is a congruent number.

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, 1010646 + ... + 1062474.

It is an arithmetic number, because the mean of its divisors is an integer number (1191550968).

Almost surely, 2^53723868240 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 53723868240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95324077440).

53723868240 is an abundant number, since it is smaller than the sum of its proper divisors (136924286640).

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

53723868240 is a wasteful number, since it uses less digits than its factorization.

53723868240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52469 (or 52463 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 53723868240 in words is "fifty-three billion, seven hundred twenty-three million, eight hundred sixty-eight thousand, two hundred forty".