401142044 has 12 divisors (see below), whose sum is σ = 703630368. Its totient is φ = 200104800.

The previous prime is 401142031. The next prime is 401142061. The reversal of 401142044 is 440241104.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114617 + ... + 118064.

It is an arithmetic number, because the mean of its divisors is an integer number (58635864).

Almost surely, 2^401142044 is an apocalyptic number.

It is an amenable number.

401142044 is a deficient number, since it is larger than the sum of its proper divisors (302488324).

401142044 is a wasteful number, since it uses less digits than its factorization.

401142044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233116 (or 233114 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 401142044 is about 20028.5307499077. The cubic root of 401142044 is about 737.5068544417.

Adding to 401142044 its reverse (440241104), we get a palindrome (841383148).

The spelling of 401142044 in words is "four hundred one million, one hundred forty-two thousand, forty-four".