100940240864 has 48 divisors (see below), whose sum is σ = 209524089600. Its totient is φ = 47736376704.

The previous prime is 100940240857. The next prime is 100940240887. The reversal of 100940240864 is 468042049001.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 242249 + ... + 510455.

It is an arithmetic number, because the mean of its divisors is an integer number (4365085200).

Almost surely, 2^100940240864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100940240864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104762044800).

100940240864 is an abundant number, since it is smaller than the sum of its proper divisors (108583848736).

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

100940240864 is a wasteful number, since it uses less digits than its factorization.

100940240864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268855 (or 268847 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

Adding to 100940240864 its reverse (468042049001), we get a palindrome (568982289865).

The spelling of 100940240864 in words is "one hundred billion, nine hundred forty million, two hundred forty thousand, eight hundred sixty-four".