15040441242 has 12 divisors (see below), whose sum is σ = 32587622730. Its totient is φ = 5013480408.

The previous prime is 15040441237. The next prime is 15040441259. The reversal of 15040441242 is 24214404051.

15040441242 is a `hidden beast` number, since 15 + 0 + 404 + 4 + 1 + 242 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15035419161 + 5022081 = 122619^2 + 2241^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 417790017 + ... + 417790052.

Almost surely, 2^15040441242 is an apocalyptic number.

15040441242 is an abundant number, since it is smaller than the sum of its proper divisors (17547181488).

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

15040441242 is a wasteful number, since it uses less digits than its factorization.

15040441242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835580077 (or 835580074 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 15040441242 its reverse (24214404051), we get a palindrome (39254845293).

The spelling of 15040441242 in words is "fifteen billion, forty million, four hundred forty-one thousand, two hundred forty-two".