420499159 has 18 divisors (see below), whose sum is σ = 453115104. Its totient is φ = 389808720.

The previous prime is 420499151. The next prime is 420499181. The reversal of 420499159 is 951994024.

It is not a de Polignac number, because 420499159 - 2³ = 420499151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420499151) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3310954 + ... + 3311080.

Almost surely, 2^420499159 is an apocalyptic number.

420499159 is a deficient number, since it is larger than the sum of its proper divisors (32615945).

420499159 is an equidigital number, since it uses as much as digits as its factorization.

420499159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 420499159 is about 20506.0761483030. The cubic root of 420499159 is about 749.1837988914.

The spelling of 420499159 in words is "four hundred twenty million, four hundred ninety-nine thousand, one hundred fifty-nine".