149495406928 has 240 divisors, whose sum is σ = 368542483200. Its totient is φ = 58342394880.

The previous prime is 149495406847. The next prime is 149495406937. The reversal of 149495406928 is 829604594941.

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, 117067026 + ... + 117068302.

It is an arithmetic number, because the mean of its divisors is an integer number (1535593680).

Almost surely, 2^149495406928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149495406928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184271241600).

149495406928 is an abundant number, since it is smaller than the sum of its proper divisors (219047076272).

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

149495406928 is a wasteful number, since it uses less digits than its factorization.

149495406928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618 (or 1605 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 61.

The spelling of 149495406928 in words is "one hundred forty-nine billion, four hundred ninety-five million, four hundred six thousand, nine hundred twenty-eight".