40300188 has 12 divisors (see below), whose sum is σ = 94033800. Its totient is φ = 13433392.

The previous prime is 40300187. The next prime is 40300201. The reversal of 40300188 is 88100304.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40300181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1679163 + ... + 1679186.

It is an arithmetic number, because the mean of its divisors is an integer number (7836150).

Almost surely, 2^40300188 is an apocalyptic number.

It is an amenable number.

40300188 is an abundant number, since it is smaller than the sum of its proper divisors (53733612).

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

40300188 is a wasteful number, since it uses less digits than its factorization.

40300188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3358356 (or 3358354 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 40300188 is about 6348.2429065057. The cubic root of 40300188 is about 342.8485818299.

The spelling of 40300188 in words is "forty million, three hundred thousand, one hundred eighty-eight".