401122044 has 48 divisors (see below), whose sum is σ = 1052807840. Its totient is φ = 133704432.

The previous prime is 401122039. The next prime is 401122081. The reversal of 401122044 is 440221104.

401122044 is a `hidden beast` number, since 401 + 1 + 220 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 15 ways as a sum of consecutive naturals, for example, 14179 + ... + 31674.

Almost surely, 2^401122044 is an apocalyptic number.

It is an amenable number.

401122044 is an abundant number, since it is smaller than the sum of its proper divisors (651685796).

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

401122044 is an equidigital number, since it uses as much as digits as its factorization.

401122044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45878 (or 45858 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 401122044 is about 20028.0314559370. The cubic root of 401122044 is about 737.4945974516.

Adding to 401122044 its reverse (440221104), we get a palindrome (841343148).

The spelling of 401122044 in words is "four hundred one million, one hundred twenty-two thousand, forty-four".