15150458640 has 160 divisors (see below), whose sum is σ = 49496832000. Its totient is φ = 3822958080.

The previous prime is 15150458623. The next prime is 15150458647. The reversal of 15150458640 is 4685405151.

It is not an unprimeable number, because it can be changed into a prime (15150458647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5612011 + ... + 5614709.

It is an arithmetic number, because the mean of its divisors is an integer number (309355200).

Almost surely, 2^15150458640 is an apocalyptic number.

15150458640 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 15150458640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24748416000).

15150458640 is an abundant number, since it is smaller than the sum of its proper divisors (34346373360).

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

15150458640 is a wasteful number, since it uses less digits than its factorization.

15150458640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3965 (or 3959 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 39.

The spelling of 15150458640 in words is "fifteen billion, one hundred fifty million, four hundred fifty-eight thousand, six hundred forty".