100055242140 has 48 divisors (see below), whose sum is σ = 320176776192. Its totient is φ = 22869769536.

The previous prime is 100055242139. The next prime is 100055242151. The reversal of 100055242140 is 41242550001.

It is a super-2 number, since 2×100055242140² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100055242140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119112964 + ... + 119113803.

It is an arithmetic number, because the mean of its divisors is an integer number (6670349504).

Almost surely, 2^100055242140 is an apocalyptic number.

100055242140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100055242140 is an abundant number, since it is smaller than the sum of its proper divisors (220121534052).

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

100055242140 is a wasteful number, since it uses less digits than its factorization.

100055242140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238226786 (or 238226784 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 100055242140 its reverse (41242550001), we get a palindrome (141297792141).

The spelling of 100055242140 in words is "one hundred billion, fifty-five million, two hundred forty-two thousand, one hundred forty".