1512940032 has 150 divisors (see below), whose sum is σ = 4539493959. Its totient is φ = 501672960.

The previous prime is 1512940031. The next prime is 1512940043. The reversal of 1512940032 is 2300492151.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 756470016 + 756470016 = 27504^2 + 27504^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=27504.

It is a super-2 number, since 2×1512940032² = 4577975080856322048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1512939978 and 1512940005.

It is not an unprimeable number, because it can be changed into a prime (1512940031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 7921057 + ... + 7921247.

Almost surely, 2^1512940032 is an apocalyptic number.

1512940032 is a gapful number since it is divisible by the number (12) 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 1512940032

1512940032 is an abundant number, since it is smaller than the sum of its proper divisors (3026553927).

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

1512940032 is an frugal number, since it uses more digits than its factorization.

1512940032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1512940032 is about 38896.5298195096. The cubic root of 1512940032 is about 1147.9965197157.

The spelling of 1512940032 in words is "one billion, five hundred twelve million, nine hundred forty thousand, thirty-two".