100399444048 has 80 divisors (see below), whose sum is σ = 205965317376. Its totient is φ = 47354593280.

The previous prime is 100399444043. The next prime is 100399444069. The reversal of 100399444048 is 840444993001.

It is a junction number, because it is equal to n+sod(n) for n = 100399443989 and 100399444007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100399444043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2539440 + ... + 2578672.

Almost surely, 2^100399444048 is an apocalyptic number.

It is an amenable number.

100399444048 is an abundant number, since it is smaller than the sum of its proper divisors (105565873328).

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

100399444048 is a wasteful number, since it uses less digits than its factorization.

100399444048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39412 (or 39406 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 100399444048 in words is "one hundred billion, three hundred ninety-nine million, four hundred forty-four thousand, forty-eight".