15404605042042 has 8 divisors (see below), whose sum is σ = 23598543894336. Its totient is φ = 7538423743932.

The previous prime is 15404605042033. The next prime is 15404605042049. The reversal of 15404605042042 is 24024050640451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 15404605041992 and 15404605042010.

It is not an unprimeable number, because it can be changed into a prime (15404605042049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81939388428 + ... + 81939388615.

It is an arithmetic number, because the mean of its divisors is an integer number (2949817986792).

Almost surely, 2^{15404605042042} is an apocalyptic number.

15404605042042 is a deficient number, since it is larger than the sum of its proper divisors (8193938852294).

15404605042042 is a wasteful number, since it uses less digits than its factorization.

15404605042042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163878777092.

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 15404605042042 its reverse (24024050640451), we get a palindrome (39428655682493).

The spelling of 15404605042042 in words is "fifteen trillion, four hundred four billion, six hundred five million, forty-two thousand, forty-two".