15040350542 has 16 divisors (see below), whose sum is σ = 26383074432. Its totient is φ = 6295960440.

The previous prime is 15040350491. The next prime is 15040350553. The reversal of 15040350542 is 24505304051.

It is a congruent number.

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, 12491384 + ... + 12492587.

It is an arithmetic number, because the mean of its divisors is an integer number (1648942152).

Almost surely, 2^15040350542 is an apocalyptic number.

15040350542 is a deficient number, since it is larger than the sum of its proper divisors (11342723890).

15040350542 is a wasteful number, since it uses less digits than its factorization.

15040350542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24984023.

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 15040350542 its reverse (24505304051), we get a palindrome (39545654593).

The spelling of 15040350542 in words is "fifteen billion, forty million, three hundred fifty thousand, five hundred forty-two".