15150340439680 has 128 divisors (see below), whose sum is σ = 36393988824000. Its totient is φ = 6030843715584.

The previous prime is 15150340439659. The next prime is 15150340439681. The reversal of 15150340439680 is 8693404305151.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (15150340439681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357222316 + ... + 357264724.

Almost surely, 2^{15150340439680} is an apocalyptic number.

15150340439680 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 15150340439680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18196994412000).

15150340439680 is an abundant number, since it is smaller than the sum of its proper divisors (21243648384320).

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

15150340439680 is a wasteful number, since it uses less digits than its factorization.

15150340439680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45114 (or 45102 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 15150340439680 in words is "fifteen trillion, one hundred fifty billion, three hundred forty million, four hundred thirty-nine thousand, six hundred eighty".