40183390 has 32 divisors (see below), whose sum is σ = 78676416. Its totient is φ = 14688000.

The previous prime is 40183387. The next prime is 40183391. The reversal of 40183390 is 9338104.

40183390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40183390² = 3229409663784200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40183391) 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 in 15 ways as a sum of consecutive naturals, for example, 11890 + ... + 14890.

It is an arithmetic number, because the mean of its divisors is an integer number (2458638).

Almost surely, 2^40183390 is an apocalyptic number.

40183390 is a deficient number, since it is larger than the sum of its proper divisors (38493026).

40183390 is a wasteful number, since it uses less digits than its factorization.

40183390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3124.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 40183390 is about 6339.0369931087. The cubic root of 40183390 is about 342.5170467655.

The spelling of 40183390 in words is "forty million, one hundred eighty-three thousand, three hundred ninety".