420276270 has 64 divisors (see below), whose sum is σ = 1022414400. Its totient is φ = 110558208.

The previous prime is 420276223. The next prime is 420276271. The reversal of 420276270 is 72672024.

It is a super-2 number, since 2×420276270² = 353264286250225800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420276271) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1204056 + ... + 1204404.

It is an arithmetic number, because the mean of its divisors is an integer number (15975225).

Almost surely, 2^420276270 is an apocalyptic number.

420276270 is an abundant number, since it is smaller than the sum of its proper divisors (602138130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420276270 is a wasteful number, since it uses less digits than its factorization.

420276270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 420276270 is about 20500.6407216945. The cubic root of 420276270 is about 749.0514051741.

The spelling of 420276270 in words is "four hundred twenty million, two hundred seventy-six thousand, two hundred seventy".