150530423440 has 20 divisors (see below), whose sum is σ = 349983234684. Its totient is φ = 60212169344.

The previous prime is 150530423423. The next prime is 150530423443. The reversal of 150530423440 is 44324035051.

It can be written as a sum of positive squares in 2 ways, for example, as 94955189904 + 55575233536 = 308148^2 + 235744^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (150530423443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 940815067 + ... + 940815226.

Almost surely, 2^150530423440 is an apocalyptic number.

150530423440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150530423440 is an abundant number, since it is smaller than the sum of its proper divisors (199452811244).

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

150530423440 is a wasteful number, since it uses less digits than its factorization.

150530423440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881630306 (or 1881630300 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 150530423440 its reverse (44324035051), we get a palindrome (194854458491).

The spelling of 150530423440 in words is "one hundred fifty billion, five hundred thirty million, four hundred twenty-three thousand, four hundred forty".