155090492928 has 480 divisors, whose sum is σ = 543607796160. Its totient is φ = 41617981440.

The previous prime is 155090492903. The next prime is 155090492929. The reversal of 155090492928 is 829294090551.

155090492928 is a `hidden beast` number, since 1 + 5 + 509 + 0 + 49 + 2 + 92 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155090492929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34608448 + ... + 34612928.

It is an arithmetic number, because the mean of its divisors is an integer number (1132516242).

Almost surely, 2^155090492928 is an apocalyptic number.

155090492928 is a gapful number since it is divisible by the number (18) 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 155090492928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271803898080).

155090492928 is an abundant number, since it is smaller than the sum of its proper divisors (388517303232).

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

155090492928 is a wasteful number, since it uses less digits than its factorization.

155090492928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4578 (or 4559 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 54.

The spelling of 155090492928 in words is "one hundred fifty-five billion, ninety million, four hundred ninety-two thousand, nine hundred twenty-eight".