18425008426 has 32 divisors (see below), whose sum is σ = 30583500480. Its totient is φ = 8255328000.

The previous prime is 18425008421. The next prime is 18425008501. The reversal of 18425008426 is 62480052481.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18425008421) 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, 486130 + ... + 522658.

It is an arithmetic number, because the mean of its divisors is an integer number (955734390).

Almost surely, 2^18425008426 is an apocalyptic number.

18425008426 is a deficient number, since it is larger than the sum of its proper divisors (12158492054).

18425008426 is a wasteful number, since it uses less digits than its factorization.

18425008426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36870.

The product of its (nonzero) digits is 122880, while the sum is 40.

The spelling of 18425008426 in words is "eighteen billion, four hundred twenty-five million, eight thousand, four hundred twenty-six".