401885424 has 30 divisors (see below), whose sum is σ = 1124721416. Its totient is φ = 133961760.

The previous prime is 401885399. The next prime is 401885437. The reversal of 401885424 is 424588104.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1395292 + ... + 1395579.

Almost surely, 2^401885424 is an apocalyptic number.

It is an amenable number.

401885424 is an abundant number, since it is smaller than the sum of its proper divisors (722835992).

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

401885424 is a wasteful number, since it uses less digits than its factorization.

401885424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2790885 (or 2790876 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 36.

The square root of 401885424 is about 20047.0801864012. The cubic root of 401885424 is about 737.9621458099.

It can be divided in two parts, 40188 and 5424, that multiplied together give a palindrome (217979712).

The spelling of 401885424 in words is "four hundred one million, eight hundred eighty-five thousand, four hundred twenty-four".