408168425 has 12 divisors (see below), whose sum is σ = 578433216. Its totient is φ = 279886800.

The previous prime is 408168403. The next prime is 408168433. The reversal of 408168425 is 524861804.

It is a happy number.

It is not a de Polignac number, because 408168425 - 2¹⁸ = 407906281 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1166021 + ... + 1166370.

It is an arithmetic number, because the mean of its divisors is an integer number (48202768).

Almost surely, 2^408168425 is an apocalyptic number.

It is an amenable number.

408168425 is a deficient number, since it is larger than the sum of its proper divisors (170264791).

408168425 is a wasteful number, since it uses less digits than its factorization.

408168425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332408 (or 2332403 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 408168425 is about 20203.1785865492. The cubic root of 408168425 is about 741.7879973758.

The spelling of 408168425 in words is "four hundred eight million, one hundred sixty-eight thousand, four hundred twenty-five".