40206044 has 6 divisors (see below), whose sum is σ = 70360584. Its totient is φ = 20103020.

The previous prime is 40206031. The next prime is 40206053. The reversal of 40206044 is 44060204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5025752 + ... + 5025759.

It is an arithmetic number, because the mean of its divisors is an integer number (11726764).

Almost surely, 2^40206044 is an apocalyptic number.

It is an amenable number.

40206044 is a deficient number, since it is larger than the sum of its proper divisors (30154540).

40206044 is a wasteful number, since it uses less digits than its factorization.

40206044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10051515 (or 10051513 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 40206044 is about 6340.8236058102. The cubic root of 40206044 is about 342.5814010794.

Adding to 40206044 its reverse (44060204), we get a palindrome (84266248).

The spelling of 40206044 in words is "forty million, two hundred six thousand, forty-four".