40220192 has 24 divisors (see below), whose sum is σ = 82627776. Its totient is φ = 19235392.

The previous prime is 40220183. The next prime is 40220197. The reversal of 40220192 is 29102204.

It is not an unprimeable number, because it can be changed into a prime (40220197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26588 + ... + 28059.

It is an arithmetic number, because the mean of its divisors is an integer number (3442824).

Almost surely, 2^40220192 is an apocalyptic number.

It is an amenable number.

40220192 is an abundant number, since it is smaller than the sum of its proper divisors (42407584).

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

40220192 is a wasteful number, since it uses less digits than its factorization.

40220192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54680 (or 54672 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 40220192 is about 6341.9391356272. The cubic root of 40220192 is about 342.6215797257.

Adding to 40220192 its reverse (29102204), we get a palindrome (69322396).

The spelling of 40220192 in words is "forty million, two hundred twenty thousand, one hundred ninety-two".