100505013240 has 64 divisors (see below), whose sum is σ = 303435574560. Its totient is φ = 26630622720.

The previous prime is 100505013221. The next prime is 100505013269. The reversal of 100505013240 is 42310505001.

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, 2648491 + ... + 2686170.

Almost surely, 2^100505013240 is an apocalyptic number.

100505013240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100505013240 is an abundant number, since it is smaller than the sum of its proper divisors (202930561320).

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

100505013240 is a wasteful number, since it uses less digits than its factorization.

100505013240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5334832 (or 5334828 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 100505013240 its reverse (42310505001), we get a palindrome (142815518241).

The spelling of 100505013240 in words is "one hundred billion, five hundred five million, thirteen thousand, two hundred forty".