420079418 has 24 divisors (see below), whose sum is σ = 730227744. Its totient is φ = 179710400.

The previous prime is 420079411. The next prime is 420079441. The reversal of 420079418 is 814970024.

It is not an unprimeable number, because it can be changed into a prime (420079411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26678 + ... + 39393.

It is an arithmetic number, because the mean of its divisors is an integer number (30426156).

Almost surely, 2^420079418 is an apocalyptic number.

420079418 is a deficient number, since it is larger than the sum of its proper divisors (310148326).

420079418 is a wasteful number, since it uses less digits than its factorization.

420079418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66118 (or 66101 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 420079418 is about 20495.8390411322. The cubic root of 420079418 is about 748.9344382285.

The spelling of 420079418 in words is "four hundred twenty million, seventy-nine thousand, four hundred eighteen".