149690278320 has 160 divisors (see below), whose sum is σ = 506360090880. Its totient is φ = 36278891520.

The previous prime is 149690278273. The next prime is 149690278327. The reversal of 149690278320 is 23872096941.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (149690278327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18547246 + ... + 18555314.

It is an arithmetic number, because the mean of its divisors is an integer number (3164750568).

Almost surely, 2^149690278320 is an apocalyptic number.

149690278320 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 149690278320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253180045440).

149690278320 is an abundant number, since it is smaller than the sum of its proper divisors (356669812560).

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

149690278320 is a wasteful number, since it uses less digits than its factorization.

149690278320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15123 (or 15117 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 51.

The spelling of 149690278320 in words is "one hundred forty-nine billion, six hundred ninety million, two hundred seventy-eight thousand, three hundred twenty".