420051274 has 16 divisors (see below), whose sum is σ = 642394368. Its totient is φ = 205948512.

The previous prime is 420051257. The next prime is 420051287. The reversal of 420051274 is 472150024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22854 + ... + 36910.

It is an arithmetic number, because the mean of its divisors is an integer number (40149648).

Almost surely, 2^420051274 is an apocalyptic number.

420051274 is a deficient number, since it is larger than the sum of its proper divisors (222343094).

420051274 is a wasteful number, since it uses less digits than its factorization.

420051274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14349.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 420051274 is about 20495.1524512505. The cubic root of 420051274 is about 748.9177124376.

The spelling of 420051274 in words is "four hundred twenty million, fifty-one thousand, two hundred seventy-four".