42092490251 has 16 divisors (see below), whose sum is σ = 48190957248. Its totient is φ = 36015408000.

The previous prime is 42092490221. The next prime is 42092490257. The reversal of 42092490251 is 15209429024.

42092490251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 42092490251 - 2²² = 42088295947 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (42092490257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13230881 + ... + 13234061.

It is an arithmetic number, because the mean of its divisors is an integer number (3011934828).

Almost surely, 2^42092490251 is an apocalyptic number.

42092490251 is a deficient number, since it is larger than the sum of its proper divisors (6098466997).

42092490251 is a wasteful number, since it uses less digits than its factorization.

42092490251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5942.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 42092490251 in words is "forty-two billion, ninety-two million, four hundred ninety thousand, two hundred fifty-one".