150512522440 has 32 divisors (see below), whose sum is σ = 387032201280. Its totient is φ = 51604293312.

The previous prime is 150512522297. The next prime is 150512522473. The reversal of 150512522440 is 44225215051.

It is a super-2 number, since 2×150512522440² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268772082 + ... + 268772641.

It is an arithmetic number, because the mean of its divisors is an integer number (12094756290).

Almost surely, 2^150512522440 is an apocalyptic number.

150512522440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150512522440 is an abundant number, since it is smaller than the sum of its proper divisors (236519678840).

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

150512522440 is a wasteful number, since it uses less digits than its factorization.

150512522440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537544741 (or 537544737 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 150512522440 its reverse (44225215051), we get a palindrome (194737737491).

The spelling of 150512522440 in words is "one hundred fifty billion, five hundred twelve million, five hundred twenty-two thousand, four hundred forty".