155350582272 has 264 divisors, whose sum is σ = 463020542712. Its totient is φ = 50135040000.

The previous prime is 155350582267. The next prime is 155350582273. The reversal of 155350582272 is 272285053551.

155350582272 is a `hidden beast` number, since 1 + 5 + 53 + 505 + 8 + 22 + 72 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4632708096 + 150717874176 = 68064^2 + 388224^2 .

It is not an unprimeable number, because it can be changed into a prime (155350582273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51764772 + ... + 51767772.

Almost surely, 2^155350582272 is an apocalyptic number.

155350582272 is a gapful number since it is divisible by the number (12) 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 155350582272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231510271356).

155350582272 is an abundant number, since it is smaller than the sum of its proper divisors (307669960440).

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

155350582272 is a wasteful number, since it uses less digits than its factorization.

155350582272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3205 (or 3184 counting only the distinct ones).

The product of its (nonzero) digits is 840000, while the sum is 45.

The spelling of 155350582272 in words is "one hundred fifty-five billion, three hundred fifty million, five hundred eighty-two thousand, two hundred seventy-two".