150900915780 has 36 divisors (see below), whose sum is σ = 457732778412. Its totient is φ = 40240244160.

The previous prime is 150900915757. The next prime is 150900915793. The reversal of 150900915780 is 87519009051.

150900915780 is a `hidden beast` number, since 1 + 509 + 0 + 0 + 91 + 57 + 8 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 47269717056 + 103631198724 = 217416^2 + 321918^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×150900915780³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 419169031 + ... + 419169390.

Almost surely, 2^150900915780 is an apocalyptic number.

150900915780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150900915780 is an abundant number, since it is smaller than the sum of its proper divisors (306831862632).

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

150900915780 is a wasteful number, since it uses less digits than its factorization.

150900915780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838338436 (or 838338431 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 45.

The spelling of 150900915780 in words is "one hundred fifty billion, nine hundred million, nine hundred fifteen thousand, seven hundred eighty".