40840202 has 12 divisors (see below), whose sum is σ = 66335670. Its totient is φ = 18849168.

The previous prime is 40840183. The next prime is 40840271. The reversal of 40840202 is 20204804.

It can be written as a sum of positive squares in 3 ways, for example, as 10491121 + 30349081 = 3239^2 + 5509^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60077 + ... + 60752.

Almost surely, 2^40840202 is an apocalyptic number.

40840202 is a deficient number, since it is larger than the sum of its proper divisors (25495468).

40840202 is a wasteful number, since it uses less digits than its factorization.

40840202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120857 (or 120844 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 40840202 is about 6390.6339278666. The cubic root of 40840202 is about 344.3731584778.

The spelling of 40840202 in words is "forty million, eight hundred forty thousand, two hundred two".