15126045240 has 128 divisors (see below), whose sum is σ = 46415255040. Its totient is φ = 3942022656.

The previous prime is 15126045169. The next prime is 15126045251. The reversal of 15126045240 is 4254062151.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 15126045198 and 15126045207.

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, 1668159 + ... + 1677201.

It is an arithmetic number, because the mean of its divisors is an integer number (362619180).

Almost surely, 2^15126045240 is an apocalyptic number.

15126045240 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 15126045240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23207627520).

15126045240 is an abundant number, since it is smaller than the sum of its proper divisors (31289209800).

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

15126045240 is a wasteful number, since it uses less digits than its factorization.

15126045240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9373 (or 9369 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 15126045240 in words is "fifteen billion, one hundred twenty-six million, forty-five thousand, two hundred forty".