100444004 has 6 divisors (see below), whose sum is σ = 175777014. Its totient is φ = 50222000.

The previous prime is 100443989. The next prime is 100444031. The reversal of 100444004 is 400444001.

It can be written as a sum of positive squares in only one way, i.e., 66455104 + 33988900 = 8152^2 + 5830^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12555497 + ... + 12555504.

It is an arithmetic number, because the mean of its divisors is an integer number (29296169).

Almost surely, 2^100444004 is an apocalyptic number.

It is an amenable number.

100444004 is a deficient number, since it is larger than the sum of its proper divisors (75333010).

100444004 is a wasteful number, since it uses less digits than its factorization.

100444004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25111005 (or 25111003 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 100444004 is about 10022.1756121114. The cubic root of 100444004 is about 464.8448304860.

Adding to 100444004 its reverse (400444001), we get a palindrome (500888005).

The spelling of 100444004 in words is "one hundred million, four hundred forty-four thousand, four".