420090160 has 40 divisors (see below), whose sum is σ = 1116241056. Its totient is φ = 144030720.

The previous prime is 420090157. The next prime is 420090197. The reversal of 420090160 is 61090024.

It is a tau number, because it is divible by the number of its divisors (40).

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, 374521 + ... + 375640.

Almost surely, 2^420090160 is an apocalyptic number.

420090160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420090160 is an abundant number, since it is smaller than the sum of its proper divisors (696150896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420090160 is a wasteful number, since it uses less digits than its factorization.

420090160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750181 (or 750175 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 420090160 is about 20496.1010926469. The cubic root of 420090160 is about 748.9408219303.

The spelling of 420090160 in words is "four hundred twenty million, ninety thousand, one hundred sixty".