401425212 has 24 divisors (see below), whose sum is σ = 937780816. Its totient is φ = 133648128.

The previous prime is 401425181. The next prime is 401425229. The reversal of 401425212 is 212524104.

It is a super-2 number, since 2×401425212² = 322284401658489888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9373 + ... + 29844.

Almost surely, 2^401425212 is an apocalyptic number.

It is an amenable number.

401425212 is an abundant number, since it is smaller than the sum of its proper divisors (536355604).

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

401425212 is a wasteful number, since it uses less digits than its factorization.

401425212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40077 (or 40075 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 401425212 is about 20035.5986184591. The cubic root of 401425212 is about 737.6803501094.

Adding to 401425212 its reverse (212524104), we get a palindrome (613949316).

It can be divided in two parts, 40142 and 5212, that added together give a palindrome (45354).

The spelling of 401425212 in words is "four hundred one million, four hundred twenty-five thousand, two hundred twelve".