15387360240 has 240 divisors, whose sum is σ = 55802990880. Its totient is φ = 3497195520.

The previous prime is 15387360239. The next prime is 15387360251. The reversal of 15387360240 is 4206378351.

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

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, 2124946 + ... + 2132174.

It is an arithmetic number, because the mean of its divisors is an integer number (232512462).

Almost surely, 2^15387360240 is an apocalyptic number.

15387360240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15387360240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27901495440).

15387360240 is an abundant number, since it is smaller than the sum of its proper divisors (40415630640).

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

15387360240 is a wasteful number, since it uses less digits than its factorization.

15387360240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7440 (or 7427 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 15387360240 in words is "fifteen billion, three hundred eighty-seven million, three hundred sixty thousand, two hundred forty".