420417404 has 36 divisors (see below), whose sum is σ = 815958192. Its totient is φ = 189383040.

The previous prime is 420417377. The next prime is 420417451. The reversal of 420417404 is 404714024.

It is a congruent 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, 50849 + ... + 58535.

Almost surely, 2^420417404 is an apocalyptic number.

420417404 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

420417404 is a deficient number, since it is larger than the sum of its proper divisors (395540788).

420417404 is a wasteful number, since it uses less digits than its factorization.

420417404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7826 (or 7813 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 26.

The square root of 420417404 is about 20504.0826178593. The cubic root of 420417404 is about 749.1352427171.

The spelling of 420417404 in words is "four hundred twenty million, four hundred seventeen thousand, four hundred four".