150503440 has 80 divisors (see below), whose sum is σ = 363958848. Its totient is φ = 57835008.

The previous prime is 150503429. The next prime is 150503459. The reversal of 150503440 is 44305051.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×150503440³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230154 + ... + 230806.

Almost surely, 2^150503440 is an apocalyptic number.

150503440 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 150503440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181979424).

150503440 is an abundant number, since it is smaller than the sum of its proper divisors (213455408).

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

150503440 is a wasteful number, since it uses less digits than its factorization.

150503440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776 (or 770 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 150503440 is about 12267.9843495172. The cubic root of 150503440 is about 531.9230483983.

Adding to 150503440 its reverse (44305051), we get a palindrome (194808491).

The spelling of 150503440 in words is "one hundred fifty million, five hundred three thousand, four hundred forty".