150512040 has 256 divisors, whose sum is σ = 587980800. Its totient is φ = 33530112.

The previous prime is 150512003. The next prime is 150512051. The reversal of 150512040 is 40215051.

150512040 is a `hidden beast` number, since 1 + 505 + 120 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 324849 + ... + 325311.

It is an arithmetic number, because the mean of its divisors is an integer number (2296800).

Almost surely, 2^150512040 is an apocalyptic number.

150512040 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 150512040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293990400).

150512040 is an abundant number, since it is smaller than the sum of its proper divisors (437468760).

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

150512040 is a wasteful number, since it uses less digits than its factorization.

150512040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 150512040 is about 12268.3348503373. The cubic root of 150512040 is about 531.9331798414.

Adding to 150512040 its reverse (40215051), we get a palindrome (190727091).

The spelling of 150512040 in words is "one hundred fifty million, five hundred twelve thousand, forty".