100640463 has 48 divisors (see below), whose sum is σ = 172149120. Its totient is φ = 51710400.

The previous prime is 100640447. The next prime is 100640483. The reversal of 100640463 is 364046001.

It is not a de Polignac number, because 100640463 - 2⁴ = 100640447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100640483) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 175968 + ... + 176538.

It is an arithmetic number, because the mean of its divisors is an integer number (3586440).

Almost surely, 2^100640463 is an apocalyptic number.

100640463 is a deficient number, since it is larger than the sum of its proper divisors (71508657).

100640463 is a wasteful number, since it uses less digits than its factorization.

100640463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 100640463 is about 10031.9720394347. The cubic root of 100640463 is about 465.1476973300.

Adding to 100640463 its reverse (364046001), we get a palindrome (464686464).

The spelling of 100640463 in words is "one hundred million, six hundred forty thousand, four hundred sixty-three".