425380018 has 48 divisors (see below), whose sum is σ = 815059584. Its totient is φ = 162518400.

The previous prime is 425379989. The next prime is 425380019. The reversal of 425380018 is 810083524.

It is not an unprimeable number, because it can be changed into a prime (425380019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83443 + ... + 88393.

It is an arithmetic number, because the mean of its divisors is an integer number (16980408).

Almost surely, 2^425380018 is an apocalyptic number.

425380018 is a deficient number, since it is larger than the sum of its proper divisors (389679566).

425380018 is a wasteful number, since it uses less digits than its factorization.

425380018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5015 (or 4996 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 425380018 is about 20624.7428590031. The cubic root of 425380018 is about 752.0713219381.

The spelling of 425380018 in words is "four hundred twenty-five million, three hundred eighty thousand, eighteen".