15040345412 has 12 divisors (see below), whose sum is σ = 26338507776. Its totient is φ = 7515057480.

The previous prime is 15040345399. The next prime is 15040345447. The reversal of 15040345412 is 21454304051.

It is a super-2 number, since 2×15040345412² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1272188 + ... + 1283955.

It is an arithmetic number, because the mean of its divisors is an integer number (2194875648).

Almost surely, 2^15040345412 is an apocalyptic number.

It is an amenable number.

15040345412 is a deficient number, since it is larger than the sum of its proper divisors (11298162364).

15040345412 is a wasteful number, since it uses less digits than its factorization.

15040345412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557618 (or 2557616 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 15040345412 its reverse (21454304051), we get a palindrome (36494649463).

The spelling of 15040345412 in words is "fifteen billion, forty million, three hundred forty-five thousand, four hundred twelve".