150612138840 has 128 divisors (see below), whose sum is σ = 462552330240. Its totient is φ = 39211554816.

The previous prime is 150612138829. The next prime is 150612138869. The reversal of 150612138840 is 48831216051.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14613129 + ... + 14623431.

It is an arithmetic number, because the mean of its divisors is an integer number (3613690080).

Almost surely, 2^150612138840 is an apocalyptic number.

150612138840 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 150612138840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231276165120).

150612138840 is an abundant number, since it is smaller than the sum of its proper divisors (311940191400).

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

150612138840 is a wasteful number, since it uses less digits than its factorization.

150612138840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13193 (or 13189 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The spelling of 150612138840 in words is "one hundred fifty billion, six hundred twelve million, one hundred thirty-eight thousand, eight hundred forty".