420353788 has 12 divisors (see below), whose sum is σ = 735909832. Its totient is φ = 210093840.

The previous prime is 420353743. The next prime is 420353797. The reversal of 420353788 is 887353024.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 420353788.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8583 + ... + 30238.

Almost surely, 2^420353788 is an apocalyptic number.

It is an amenable number.

420353788 is a deficient number, since it is larger than the sum of its proper divisors (315556044).

420353788 is a wasteful number, since it uses less digits than its factorization.

420353788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41532 (or 41530 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 420353788 is about 20502.5312583593. The cubic root of 420353788 is about 749.0974553569.

The spelling of 420353788 in words is "four hundred twenty million, three hundred fifty-three thousand, seven hundred eighty-eight".