15040634 has 32 divisors (see below), whose sum is σ = 26611200. Its totient is φ = 6243120.

The previous prime is 15040633. The next prime is 15040637. The reversal of 15040634 is 43604051.

It is a happy number.

It is a super-2 number, since 2×15040634² = 452441342243912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15040633) 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 15 ways as a sum of consecutive naturals, for example, 108137 + ... + 108275.

It is an arithmetic number, because the mean of its divisors is an integer number (831600).

Almost surely, 2^15040634 is an apocalyptic number.

15040634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

15040634 is a deficient number, since it is larger than the sum of its proper divisors (11570566).

15040634 is a wasteful number, since it uses less digits than its factorization.

15040634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 15040634 is about 3878.2256252054. The cubic root of 15040634 is about 246.8437001177.

Adding to 15040634 its reverse (43604051), we get a palindrome (58644685).

The spelling of 15040634 in words is "fifteen million, forty thousand, six hundred thirty-four".