15040354442 has 16 divisors (see below), whose sum is σ = 24177681792. Its totient is φ = 6998801040.

The previous prime is 15040354423. The next prime is 15040354453. The reversal of 15040354442 is 24445304051.

It is a junction number, because it is equal to n+sod(n) for n = 15040354399 and 15040354408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4416734 + ... + 4420137.

It is an arithmetic number, because the mean of its divisors is an integer number (1511105112).

Almost surely, 2^15040354442 is an apocalyptic number.

15040354442 is a deficient number, since it is larger than the sum of its proper divisors (9137327350).

15040354442 is a wasteful number, since it uses less digits than its factorization.

15040354442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8836933.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 15040354442 its reverse (24445304051), we get a palindrome (39485658493).

The spelling of 15040354442 in words is "fifteen billion, forty million, three hundred fifty-four thousand, four hundred forty-two".