40244188 has 6 divisors (see below), whose sum is σ = 70427336. Its totient is φ = 20122092.

The previous prime is 40244177. The next prime is 40244189. The reversal of 40244188 is 88144204.

40244188 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 not an unprimeable number, because it can be changed into a prime (40244189) by changing a digit.

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 as a sum of consecutive naturals, namely, 5030520 + ... + 5030527.

Almost surely, 2^40244188 is an apocalyptic number.

It is an amenable number.

40244188 is a deficient number, since it is larger than the sum of its proper divisors (30183148).

40244188 is a wasteful number, since it uses less digits than its factorization.

40244188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10061051 (or 10061049 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 31.

The square root of 40244188 is about 6343.8307039201. The cubic root of 40244188 is about 342.6897039897.

The spelling of 40244188 in words is "forty million, two hundred forty-four thousand, one hundred eighty-eight".