52740149440 has 112 divisors (see below), whose sum is σ = 137445109920. Its totient is φ = 19116564480.

The previous prime is 52740149419. The next prime is 52740149453. The reversal of 52740149440 is 4494104725.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 52740149393 and 52740149402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1077826 + ... + 1125694.

Almost surely, 2^52740149440 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 52740149440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68722554960).

52740149440 is an abundant number, since it is smaller than the sum of its proper divisors (84704960480).

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

52740149440 is a wasteful number, since it uses less digits than its factorization.

52740149440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48210 (or 48200 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 52740149440 in words is "fifty-two billion, seven hundred forty million, one hundred forty-nine thousand, four hundred forty".