150421574640 has 80 divisors (see below), whose sum is σ = 493736711328. Its totient is φ = 37752864768.

The previous prime is 150421574609. The next prime is 150421574671. The reversal of 150421574640 is 46475124051.

It is an interprime number because it is at equal distance from previous prime (150421574609) and next prime (150421574671).

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

It is a super-2 number, since 2×150421574640² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18429937 + ... + 18438096.

Almost surely, 2^150421574640 is an apocalyptic number.

150421574640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150421574640 is an abundant number, since it is smaller than the sum of its proper divisors (343315136688).

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

150421574640 is a wasteful number, since it uses less digits than its factorization.

150421574640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36868066 (or 36868060 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

Adding to 150421574640 its reverse (46475124051), we get a palindrome (196896698691).

The spelling of 150421574640 in words is "one hundred fifty billion, four hundred twenty-one million, five hundred seventy-four thousand, six hundred forty".