100415133440 has 36 divisors (see below), whose sum is σ = 240525627384. Its totient is φ = 40166052864.

The previous prime is 100415133397. The next prime is 100415133449. The reversal of 100415133440 is 44331514001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100415133449) 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, 39223382 + ... + 39225941.

Almost surely, 2^100415133440 is an apocalyptic number.

100415133440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100415133440 is an abundant number, since it is smaller than the sum of its proper divisors (140110493944).

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

100415133440 is an frugal number, since it uses more digits than its factorization.

100415133440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78449344 (or 78449330 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 100415133440 its reverse (44331514001), we get a palindrome (144746647441).

The spelling of 100415133440 in words is "one hundred billion, four hundred fifteen million, one hundred thirty-three thousand, four hundred forty".