100044512988 has 48 divisors (see below), whose sum is σ = 266802869760. Its totient is φ = 28582271424.

The previous prime is 100044512987. The next prime is 100044512989. The reversal of 100044512988 is 889215440001.

It is an interprime number because it is at equal distance from previous prime (100044512987) and next prime (100044512989).

It is a super-2 number, since 2×100044512988² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100044512987) 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, 1715070 + ... + 1772442.

It is an arithmetic number, because the mean of its divisors is an integer number (5558393120).

Almost surely, 2^100044512988 is an apocalyptic number.

It is an amenable number.

100044512988 is an abundant number, since it is smaller than the sum of its proper divisors (166758356772).

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

100044512988 is a wasteful number, since it uses less digits than its factorization.

100044512988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78146 (or 78144 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

Adding to 100044512988 its reverse (889215440001), we get a palindrome (989259952989).

The spelling of 100044512988 in words is "one hundred billion, forty-four million, five hundred twelve thousand, nine hundred eighty-eight".