40266844 has 6 divisors (see below), whose sum is σ = 70466984. Its totient is φ = 20133420.

The previous prime is 40266839. The next prime is 40266857. The reversal of 40266844 is 44866204.

It is a happy number.

40266844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5033352 + ... + 5033359.

Almost surely, 2^40266844 is an apocalyptic number.

It is an amenable number.

40266844 is a deficient number, since it is larger than the sum of its proper divisors (30200140).

40266844 is a wasteful number, since it uses less digits than its factorization.

40266844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10066715 (or 10066713 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 40266844 is about 6345.6161245383. The cubic root of 40266844 is about 342.7539991656.

The spelling of 40266844 in words is "forty million, two hundred sixty-six thousand, eight hundred forty-four".