401231424 has 56 divisors (see below), whose sum is σ = 1158105888. Its totient is φ = 121584640.

The previous prime is 401231407. The next prime is 401231459. The reversal of 401231424 is 424132104.

It is a self number, because there is not a number n which added to its sum of digits gives 401231424.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92877 + ... + 97100.

Almost surely, 2^401231424 is an apocalyptic number.

401231424 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

401231424 is an abundant number, since it is smaller than the sum of its proper divisors (756874464).

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

401231424 is a wasteful number, since it uses less digits than its factorization.

401231424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190003 (or 189993 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 401231424 is about 20030.7619425722. The cubic root of 401231424 is about 737.5616259525.

Adding to 401231424 its reverse (424132104), we get a palindrome (825363528).

The spelling of 401231424 in words is "four hundred one million, two hundred thirty-one thousand, four hundred twenty-four".