425144918 has 16 divisors (see below), whose sum is σ = 697458384. Its totient is φ = 192756960.

The previous prime is 425144887. The next prime is 425144933. The reversal of 425144918 is 819441524.

It is a Curzon number.

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, 15605 + ... + 33072.

It is an arithmetic number, because the mean of its divisors is an integer number (43591149).

Almost surely, 2^425144918 is an apocalyptic number.

425144918 is a deficient number, since it is larger than the sum of its proper divisors (272313466).

425144918 is a wasteful number, since it uses less digits than its factorization.

425144918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49087.

The product of its digits is 46080, while the sum is 38.

The square root of 425144918 is about 20619.0426062899. The cubic root of 425144918 is about 751.9327442397.

The spelling of 425144918 in words is "four hundred twenty-five million, one hundred forty-four thousand, nine hundred eighteen".