40100188 has 24 divisors (see below), whose sum is σ = 71415344. Its totient is φ = 19699200.

The previous prime is 40100167. The next prime is 40100191. The reversal of 40100188 is 88100104.

40100188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69943 + ... + 70513.

Almost surely, 2^40100188 is an apocalyptic number.

It is an amenable number.

40100188 is a deficient number, since it is larger than the sum of its proper divisors (31315156).

40100188 is a wasteful number, since it uses less digits than its factorization.

40100188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853 (or 851 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 40100188 is about 6332.4709237390. The cubic root of 40100188 is about 342.2804830596.

The spelling of 40100188 in words is "forty million, one hundred thousand, one hundred eighty-eight".