5156988240 has 240 divisors, whose sum is σ = 16885169280. Its totient is φ = 1301836800.

The previous prime is 5156988203. The next prime is 5156988269. The reversal of 5156988240 is 428896515.

It is a tau number, because it is divible by the number of its divisors (240).

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 5156988240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19170826 + ... + 19171094.

It is an arithmetic number, because the mean of its divisors is an integer number (70354872).

Almost surely, 2^5156988240 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 5156988240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8442584640).

5156988240 is an abundant number, since it is smaller than the sum of its proper divisors (11728181040).

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

5156988240 is a wasteful number, since it uses less digits than its factorization.

5156988240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 48.

The square root of 5156988240 is about 71812.1733412936. The cubic root of 5156988240 is about 1727.6882528748.

The spelling of 5156988240 in words is "five billion, one hundred fifty-six million, nine hundred eighty-eight thousand, two hundred forty".