421576080 has 40 divisors (see below), whose sum is σ = 1306886592. Its totient is φ = 112420224.

The previous prime is 421576079. The next prime is 421576093. The reversal of 421576080 is 80675124.

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, 878044 + ... + 878523.

Almost surely, 2^421576080 is an apocalyptic number.

421576080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421576080 is an abundant number, since it is smaller than the sum of its proper divisors (885310512).

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

421576080 is a wasteful number, since it uses less digits than its factorization.

421576080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756583 (or 1756577 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 421576080 is about 20532.3179402619. The cubic root of 421576080 is about 749.8228203687.

The spelling of 421576080 in words is "four hundred twenty-one million, five hundred seventy-six thousand, eighty".