40120366 has 16 divisors (see below), whose sum is σ = 70702128. Its totient is φ = 16833600.

The previous prime is 40120361. The next prime is 40120373. The reversal of 40120366 is 66302104.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40120361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69855 + ... + 70426.

It is an arithmetic number, because the mean of its divisors is an integer number (4418883).

Almost surely, 2^40120366 is an apocalyptic number.

40120366 is a deficient number, since it is larger than the sum of its proper divisors (30581762).

40120366 is a wasteful number, since it uses less digits than its factorization.

40120366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140307.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 40120366 is about 6334.0639403151. The cubic root of 40120366 is about 342.3378840995.

The spelling of 40120366 in words is "forty million, one hundred twenty thousand, three hundred sixty-six".