150721485438 has 16 divisors (see below), whose sum is σ = 301764692880. Its totient is φ = 50186874816.

The previous prime is 150721485437. The next prime is 150721485443. The reversal of 150721485438 is 834584127051.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150721485437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13398993 + ... + 13410236.

It is an arithmetic number, because the mean of its divisors is an integer number (18860293305).

Almost surely, 2^150721485438 is an apocalyptic number.

150721485438 is an abundant number, since it is smaller than the sum of its proper divisors (151043207442).

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

150721485438 is a wasteful number, since it uses less digits than its factorization.

150721485438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26810171.

The product of its (nonzero) digits is 1075200, while the sum is 48.

The spelling of 150721485438 in words is "one hundred fifty billion, seven hundred twenty-one million, four hundred eighty-five thousand, four hundred thirty-eight".