100450043504 has 40 divisors (see below), whose sum is σ = 203320653312. Its totient is φ = 48019239360.

The previous prime is 100450043497. The next prime is 100450043557. The reversal of 100450043504 is 405340054001.

It is a super-2 number, since 2×100450043504² (a number of 23 digits) contains 22 as substring.

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, 1178834 + ... + 1261169.

Almost surely, 2^100450043504 is an apocalyptic number.

It is an amenable number.

100450043504 is an abundant number, since it is smaller than the sum of its proper divisors (102870609808).

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

100450043504 is a wasteful number, since it uses less digits than its factorization.

100450043504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440125 (or 2440119 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 100450043504 its reverse (405340054001), we get a palindrome (505790097505).

The spelling of 100450043504 in words is "one hundred billion, four hundred fifty million, forty-three thousand, five hundred four".