421632002 has 48 divisors (see below), whose sum is σ = 739458720. Its totient is φ = 179657280.

The previous prime is 421631993. The next prime is 421632017. The reversal of 421632002 is 200236124.

It is a super-2 number, since 2×421632002² = 355547090221056008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 491558 + ... + 492414.

It is an arithmetic number, because the mean of its divisors is an integer number (15405390).

Almost surely, 2^421632002 is an apocalyptic number.

421632002 is a deficient number, since it is larger than the sum of its proper divisors (317826718).

421632002 is a wasteful number, since it uses less digits than its factorization.

421632002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007 (or 996 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 421632002 is about 20533.6796994596. The cubic root of 421632002 is about 749.8559735288.

Adding to 421632002 its reverse (200236124), we get a palindrome (621868126).

The spelling of 421632002 in words is "four hundred twenty-one million, six hundred thirty-two thousand, two".