421632048 has 20 divisors (see below), whose sum is σ = 1089216248. Its totient is φ = 140544000.

The previous prime is 421632047. The next prime is 421632049. The reversal of 421632048 is 840236124.

It is an interprime number because it is at equal distance from previous prime (421632047) and next prime (421632049).

It is not an unprimeable number, because it can be changed into a prime (421632047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4391953 + ... + 4392048.

Almost surely, 2^421632048 is an apocalyptic number.

421632048 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

421632048 is an abundant number, since it is smaller than the sum of its proper divisors (667584200).

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

421632048 is a wasteful number, since it uses less digits than its factorization.

421632048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8784012 (or 8784006 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 421632048 is about 20533.6808195706. The cubic root of 421632048 is about 749.8560007985.

The spelling of 421632048 in words is "four hundred twenty-one million, six hundred thirty-two thousand, forty-eight".