100400535530 has 16 divisors (see below), whose sum is σ = 180817588224. Its totient is φ = 40138742160.

The previous prime is 100400535503. The next prime is 100400535533. The reversal of 100400535530 is 35535004001.

It is a self number, because there is not a number n which added to its sum of digits gives 100400535530.

It is not an unprimeable number, because it can be changed into a prime (100400535533) 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, 2664362 + ... + 2701781.

It is an arithmetic number, because the mean of its divisors is an integer number (11301099264).

Almost surely, 2^100400535530 is an apocalyptic number.

100400535530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100400535530 is a deficient number, since it is larger than the sum of its proper divisors (80417052694).

100400535530 is a wasteful number, since it uses less digits than its factorization.

100400535530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5368021.

The product of its (nonzero) digits is 4500, while the sum is 26.

Adding to 100400535530 its reverse (35535004001), we get a palindrome (135935539531).

The spelling of 100400535530 in words is "one hundred billion, four hundred million, five hundred thirty-five thousand, five hundred thirty".