150273256638 has 32 divisors (see below), whose sum is σ = 305715916800. Its totient is φ = 49235206176.

The previous prime is 150273256631. The next prime is 150273256663. The reversal of 150273256638 is 836652372051.

It is a happy number.

It is a super-3 number, since 3×150273256638³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150273256631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 605133 + ... + 816536.

It is an arithmetic number, because the mean of its divisors is an integer number (9553622400).

Almost surely, 2^150273256638 is an apocalyptic number.

150273256638 is an abundant number, since it is smaller than the sum of its proper divisors (155442660162).

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

150273256638 is a wasteful number, since it uses less digits than its factorization.

150273256638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421976.

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 150273256638 in words is "one hundred fifty billion, two hundred seventy-three million, two hundred fifty-six thousand, six hundred thirty-eight".