100405606600 has 48 divisors (see below), whose sum is σ = 251400198420. Its totient is φ = 37072838400.

The previous prime is 100405606589. The next prime is 100405606603. The reversal of 100405606600 is 6606504001.

It can be written as a sum of positive squares in 6 ways, for example, as 34015900356 + 66389706244 = 184434^2 + 257662^2 .

It is not an unprimeable number, because it can be changed into a prime (100405606603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19306171 + ... + 19311370.

Almost surely, 2^100405606600 is an apocalyptic number.

100405606600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100405606600 is an abundant number, since it is smaller than the sum of its proper divisors (150994591820).

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

100405606600 is a wasteful number, since it uses less digits than its factorization.

100405606600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38617570 (or 38617561 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 100405606600 in words is "one hundred billion, four hundred five million, six hundred six thousand, six hundred".