420162256 has 20 divisors (see below), whose sum is σ = 814509252. Its totient is φ = 209966336.

The previous prime is 420162241. The next prime is 420162271. The reversal of 420162256 is 652261024.

It is an interprime number because it is at equal distance from previous prime (420162241) and next prime (420162271).

It can be written as a sum of positive squares in 2 ways, for example, as 149230656 + 270931600 = 12216^2 + 16460^2 .

It is a nialpdrome in base 12.

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, 28350 + ... + 40546.

Almost surely, 2^420162256 is an apocalyptic number.

It is an amenable number.

420162256 is a deficient number, since it is larger than the sum of its proper divisors (394346996).

420162256 is a wasteful number, since it uses less digits than its factorization.

420162256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14358 (or 14352 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 420162256 is about 20497.8597907196. The cubic root of 420162256 is about 748.9836639628.

The spelling of 420162256 in words is "four hundred twenty million, one hundred sixty-two thousand, two hundred fifty-six".