100042044 has 24 divisors (see below), whose sum is σ = 234326400. Its totient is φ = 33219504.

The previous prime is 100042031. The next prime is 100042051. The reversal of 100042044 is 440240001.

It is a congruent number.

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, 12694 + ... + 19005.

It is an arithmetic number, because the mean of its divisors is an integer number (9763600).

Almost surely, 2^100042044 is an apocalyptic number.

It is an amenable number.

100042044 is an abundant number, since it is smaller than the sum of its proper divisors (134284356).

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

100042044 is a wasteful number, since it uses less digits than its factorization.

100042044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31969 (or 31967 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 100042044 is about 10002.1019790842. The cubic root of 100042044 is about 464.2239245671.

Adding to 100042044 its reverse (440240001), we get a palindrome (540282045).

The spelling of 100042044 in words is "one hundred million, forty-two thousand, forty-four".