110404020042 has 12 divisors (see below), whose sum is σ = 239208710130. Its totient is φ = 36801340008.

The previous prime is 110404019899. The next prime is 110404020061. The reversal of 110404020042 is 240020404011.

It can be written as a sum of positive squares in only one way, i.e., 110404017441 + 2601 = 332271^2 + 51^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6133556669 = 110404020042 / (1 + 1 + 0 + 4 + 0 + 4 + 0 + 2 + 0 + 0 + 4 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 110404019997 and 110404020024.

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, 3066778317 + ... + 3066778352.

Almost surely, 2^110404020042 is an apocalyptic number.

110404020042 is an abundant number, since it is smaller than the sum of its proper divisors (128804690088).

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

110404020042 is a wasteful number, since it uses less digits than its factorization.

110404020042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6133556677 (or 6133556674 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 110404020042 its reverse (240020404011), we get a palindrome (350424424053).

The spelling of 110404020042 in words is "one hundred ten billion, four hundred four million, twenty thousand, forty-two".