40021046 has 16 divisors (see below), whose sum is σ = 66154704. Its totient is φ = 18041184.

The previous prime is 40021021. The next prime is 40021061. The reversal of 40021046 is 64012004.

It is a congruent number.

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, 16781 + ... + 19016.

It is an arithmetic number, because the mean of its divisors is an integer number (4134669).

Almost surely, 2^40021046 is an apocalyptic number.

40021046 is a deficient number, since it is larger than the sum of its proper divisors (26133658).

40021046 is a wasteful number, since it uses less digits than its factorization.

40021046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35855.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 40021046 is about 6326.2189339289. The cubic root of 40021046 is about 342.0551590752.

The spelling of 40021046 in words is "forty million, twenty-one thousand, forty-six".