40206244 has 24 divisors (see below), whose sum is σ = 77390208. Its totient is φ = 18160800.

The previous prime is 40206203. The next prime is 40206251. The reversal of 40206244 is 44260204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5782 + ... + 10669.

It is an arithmetic number, because the mean of its divisors is an integer number (3224592).

Almost surely, 2^40206244 is an apocalyptic number.

It is an amenable number.

40206244 is a deficient number, since it is larger than the sum of its proper divisors (37183964).

40206244 is a wasteful number, since it uses less digits than its factorization.

40206244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16515 (or 16513 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 40206244 is about 6340.8393766125. The cubic root of 40206244 is about 342.5819691214.

Adding to 40206244 its reverse (44260204), we get a palindrome (84466448).

The spelling of 40206244 in words is "forty million, two hundred six thousand, two hundred forty-four".