15040002 has 16 divisors (see below), whose sum is σ = 31849632. Its totient is φ = 4718400.

The previous prime is 15039967. The next prime is 15040007. The reversal of 15040002 is 20004051.

15040002 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 15040002.

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 7 ways as a sum of consecutive naturals, for example, 73624 + ... + 73827.

It is an arithmetic number, because the mean of its divisors is an integer number (1990602).

Almost surely, 2^15040002 is an apocalyptic number.

15040002 is an abundant number, since it is smaller than the sum of its proper divisors (16809630).

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

15040002 is a wasteful number, since it uses less digits than its factorization.

15040002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147473.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 15040002 is about 3878.1441437884. The cubic root of 15040002 is about 246.8402426526.

Adding to 15040002 its reverse (20004051), we get a palindrome (35044053).

The spelling of 15040002 in words is "fifteen million, forty thousand, two".