420792455 has 12 divisors (see below), whose sum is σ = 508454856. Its totient is φ = 334314000.

The previous prime is 420792403. The next prime is 420792461. The reversal of 420792455 is 554297024.

It is not a de Polignac number, because 420792455 - 2⁶ = 420792391 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112160 + ... + 115850.

It is an arithmetic number, because the mean of its divisors is an integer number (42371238).

Almost surely, 2^420792455 is an apocalyptic number.

420792455 is a deficient number, since it is larger than the sum of its proper divisors (87662401).

420792455 is an equidigital number, since it uses as much as digits as its factorization.

420792455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3998 (or 3847 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 420792455 is about 20513.2263430207. The cubic root of 420792455 is about 749.3579423580.

The spelling of 420792455 in words is "four hundred twenty million, seven hundred ninety-two thousand, four hundred fifty-five".