15804144402 has 16 divisors (see below), whose sum is σ = 31613913120. Its totient is φ = 5267110752.

The previous prime is 15804144397. The next prime is 15804144407. The reversal of 15804144402 is 20444140851.

It is an interprime number because it is at equal distance from previous prime (15804144397) and next prime (15804144407).

It is not an unprimeable number, because it can be changed into a prime (15804144407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197368 + ... + 265635.

It is an arithmetic number, because the mean of its divisors is an integer number (1975869570).

Almost surely, 2^15804144402 is an apocalyptic number.

15804144402 is an abundant number, since it is smaller than the sum of its proper divisors (15809768718).

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

15804144402 is a wasteful number, since it uses less digits than its factorization.

15804144402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468697.

The product of its (nonzero) digits is 20480, while the sum is 33.

The spelling of 15804144402 in words is "fifteen billion, eight hundred four million, one hundred forty-four thousand, four hundred two".