15225040402 has 16 divisors (see below), whose sum is σ = 26830141632. Its totient is φ = 6388128720.

The previous prime is 15225040367. The next prime is 15225040427. The reversal of 15225040402 is 20404052251.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26616918 + ... + 26617489.

It is an arithmetic number, because the mean of its divisors is an integer number (1676883852).

Almost surely, 2^15225040402 is an apocalyptic number.

15225040402 is a deficient number, since it is larger than the sum of its proper divisors (11605101230).

15225040402 is a wasteful number, since it uses less digits than its factorization.

15225040402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53234433.

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 15225040402 its reverse (20404052251), we get a palindrome (35629092653).

The spelling of 15225040402 in words is "fifteen billion, two hundred twenty-five million, forty thousand, four hundred two".