420353632 has 12 divisors (see below), whose sum is σ = 827571276. Its totient is φ = 210176800.

The previous prime is 420353599. The next prime is 420353651. The reversal of 420353632 is 236353024.

It is a self number, because there is not a number n which added to its sum of digits gives 420353632.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6567994 + ... + 6568057.

It is an arithmetic number, because the mean of its divisors is an integer number (68964273).

Almost surely, 2^420353632 is an apocalyptic number.

It is an amenable number.

420353632 is a deficient number, since it is larger than the sum of its proper divisors (407217644).

420353632 is a wasteful number, since it uses less digits than its factorization.

420353632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13136061 (or 13136053 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 28.

The square root of 420353632 is about 20502.5274539506. The cubic root of 420353632 is about 749.0973626896.

The spelling of 420353632 in words is "four hundred twenty million, three hundred fifty-three thousand, six hundred thirty-two".