1500640512 has 72 divisors (see below), whose sum is σ = 4564464576. Its totient is φ = 428752896.

The previous prime is 1500640483. The next prime is 1500640513. The reversal of 1500640512 is 2150460051.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1500640513) 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, 134193 + ... + 144944.

Almost surely, 2^1500640512 is an apocalyptic number.

1500640512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1500640512 is an abundant number, since it is smaller than the sum of its proper divisors (3063824064).

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

1500640512 is an equidigital number, since it uses as much as digits as its factorization.

1500640512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279163 (or 279149 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1500640512 is about 38738.1015538965. The cubic root of 1500640512 is about 1144.8771534139.

The spelling of 1500640512 in words is "one billion, five hundred million, six hundred forty thousand, five hundred twelve".