425916418 has 8 divisors (see below), whose sum is σ = 639394812. Its totient is φ = 212784816.

The previous prime is 425916373. The next prime is 425916431. The reversal of 425916418 is 814619524.

It can be written as a sum of positive squares in 2 ways, for example, as 424483609 + 1432809 = 20603^2 + 1197^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83605 + ... + 88552.

Almost surely, 2^425916418 is an apocalyptic number.

425916418 is a deficient number, since it is larger than the sum of its proper divisors (213478394).

425916418 is a wasteful number, since it uses less digits than its factorization.

425916418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173396.

The product of its digits is 69120, while the sum is 40.

The square root of 425916418 is about 20637.7425606581. The cubic root of 425916418 is about 752.3873073260.

The spelling of 425916418 in words is "four hundred twenty-five million, nine hundred sixteen thousand, four hundred eighteen".