149515796980 has 96 divisors (see below), whose sum is σ = 346368540672. Its totient is φ = 53762486400.

The previous prime is 149515796957. The next prime is 149515796999. The reversal of 149515796980 is 89697515941.

149515796980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8568865 + ... + 8586295.

It is an arithmetic number, because the mean of its divisors is an integer number (3608005632).

Almost surely, 2^149515796980 is an apocalyptic number.

149515796980 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 149515796980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173184270336).

149515796980 is an abundant number, since it is smaller than the sum of its proper divisors (196852743692).

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

149515796980 is a wasteful number, since it uses less digits than its factorization.

149515796980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17885 (or 17883 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 64.

The spelling of 149515796980 in words is "one hundred forty-nine billion, five hundred fifteen million, seven hundred ninety-six thousand, nine hundred eighty".