100401044 has 12 divisors (see below), whose sum is σ = 179788224. Its totient is φ = 49032984.

The previous prime is 100401043. The next prime is 100401047. The reversal of 100401044 is 440104001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100401043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291692 + ... + 292035.

It is an arithmetic number, because the mean of its divisors is an integer number (14982352).

Almost surely, 2^100401044 is an apocalyptic number.

It is an amenable number.

100401044 is a deficient number, since it is larger than the sum of its proper divisors (79387180).

100401044 is a wasteful number, since it uses less digits than its factorization.

100401044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583774 (or 583772 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 100401044 is about 10020.0321356770. The cubic root of 100401044 is about 464.7785495042.

Adding to 100401044 its reverse (440104001), we get a palindrome (540505045).

The spelling of 100401044 in words is "one hundred million, four hundred one thousand, forty-four".