1532009412 has 18 divisors (see below), whose sum is σ = 3872579438. Its totient is φ = 510669792.

The previous prime is 1532009411. The next prime is 1532009431. The reversal of 1532009412 is 2149002351.

It can be written as a sum of positive squares in only one way, i.e., 1017354816 + 514654596 = 31896^2 + 22686^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (1532009411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21277873 + ... + 21277944.

Almost surely, 2^1532009412 is an apocalyptic number.

1532009412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1532009412 is an abundant number, since it is smaller than the sum of its proper divisors (2340570026).

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

1532009412 is a wasteful number, since it uses less digits than its factorization.

1532009412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42555827 (or 42555822 counting only the distinct ones).

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

The square root of 1532009412 is about 39140.8918140606. The cubic root of 1532009412 is about 1152.7995841441.

The spelling of 1532009412 in words is "one billion, five hundred thirty-two million, nine thousand, four hundred twelve".