15042044002 has 16 divisors (see below), whose sum is σ = 23188711392. Its totient is φ = 7313669280.

The previous prime is 15042043993. The next prime is 15042044009. The reversal of 15042044002 is 20044024051.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (15042044009) 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, 273588 + ... + 323935.

It is an arithmetic number, because the mean of its divisors is an integer number (1449294462).

Almost surely, 2^15042044002 is an apocalyptic number.

15042044002 is a deficient number, since it is larger than the sum of its proper divisors (8146667390).

15042044002 is a wasteful number, since it uses less digits than its factorization.

15042044002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597873.

The product of its (nonzero) digits is 1280, while the sum is 22.

Adding to 15042044002 its reverse (20044024051), we get a palindrome (35086068053).

The spelling of 15042044002 in words is "fifteen billion, forty-two million, forty-four thousand, two".