15040004 has 12 divisors (see below), whose sum is σ = 30080064. Its totient is φ = 6445704.

The previous prime is 15039967. The next prime is 15040007. The reversal of 15040004 is 40004051.

15040004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

15040004 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (15040007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268544 + ... + 268599.

It is an arithmetic number, because the mean of its divisors is an integer number (2506672).

Almost surely, 2^15040004 is an apocalyptic number.

15040004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

15040004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

15040004 is a wasteful number, since it uses less digits than its factorization.

15040004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537154 (or 537152 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 15040004 is about 3878.1444016437. The cubic root of 15040004 is about 246.8402535941.

Adding to 15040004 its reverse (40004051), we get a palindrome (55044055).

The spelling of 15040004 in words is "fifteen million, forty thousand, four".