150399840 has 48 divisors (see below), whose sum is σ = 473761008. Its totient is φ = 40106496.

The previous prime is 150399803. The next prime is 150399841. The reversal of 150399840 is 48993051.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×150399840² = 45240223744051200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150399841) 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, 156187 + ... + 157146.

It is an arithmetic number, because the mean of its divisors is an integer number (9870021).

Almost surely, 2^150399840 is an apocalyptic number.

150399840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150399840 is an abundant number, since it is smaller than the sum of its proper divisors (323361168).

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

150399840 is a wasteful number, since it uses less digits than its factorization.

150399840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313351 (or 313343 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 150399840 is about 12263.7612501222. The cubic root of 150399840 is about 531.8009695118.

The spelling of 150399840 in words is "one hundred fifty million, three hundred ninety-nine thousand, eight hundred forty".