100640496 has 40 divisors (see below), whose sum is σ = 283624704. Its totient is φ = 30496960.

The previous prime is 100640483. The next prime is 100640497. The reversal of 100640496 is 694046001.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100640497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94776 + ... + 95831.

Almost surely, 2^100640496 is an apocalyptic number.

100640496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

100640496 is an abundant number, since it is smaller than the sum of its proper divisors (182984208).

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

100640496 is a wasteful number, since it uses less digits than its factorization.

100640496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190629 (or 190623 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 100640496 is about 10031.9736841760. The cubic root of 100640496 is about 465.1477481706.

Adding to 100640496 its reverse (694046001), we get a palindrome (794686497).

The spelling of 100640496 in words is "one hundred million, six hundred forty thousand, four hundred ninety-six".