100436621444 has 12 divisors (see below), whose sum is σ = 183406004544. Its totient is φ = 48034905864.

The previous prime is 100436621443. The next prime is 100436621459. The reversal of 100436621444 is 444126634001.

It is not an unprimeable number, because it can be changed into a prime (100436621443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545851112 + ... + 545851295.

It is an arithmetic number, because the mean of its divisors is an integer number (15283833712).

Almost surely, 2^100436621444 is an apocalyptic number.

It is an amenable number.

100436621444 is a deficient number, since it is larger than the sum of its proper divisors (82969383100).

100436621444 is a wasteful number, since it uses less digits than its factorization.

100436621444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091702434 (or 1091702432 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 35.

The spelling of 100436621444 in words is "one hundred billion, four hundred thirty-six million, six hundred twenty-one thousand, four hundred forty-four".