40026236 has 36 divisors (see below), whose sum is σ = 75465432. Its totient is φ = 18566496.

The previous prime is 40026227. The next prime is 40026247. The reversal of 40026236 is 63262004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76271 + ... + 76793.

It is an arithmetic number, because the mean of its divisors is an integer number (2096262).

Almost surely, 2^40026236 is an apocalyptic number.

It is an amenable number.

40026236 is a deficient number, since it is larger than the sum of its proper divisors (35439196).

40026236 is a wasteful number, since it uses less digits than its factorization.

40026236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618 (or 597 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 40026236 is about 6326.6291182588. The cubic root of 40026236 is about 342.0699445420.

The spelling of 40026236 in words is "forty million, twenty-six thousand, two hundred thirty-six".