40026356 has 12 divisors (see below), whose sum is σ = 70169568. Its totient is φ = 19977912.

The previous prime is 40026323. The next prime is 40026359. The reversal of 40026356 is 65362004.

It is a super-4 number, since 4×40026356⁴ (a number of 32 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40026359) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6176 + ... + 10871.

It is an arithmetic number, because the mean of its divisors is an integer number (5847464).

Almost surely, 2^40026356 is an apocalyptic number.

It is an amenable number.

40026356 is a deficient number, since it is larger than the sum of its proper divisors (30143212).

40026356 is a wasteful number, since it uses less digits than its factorization.

40026356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17638 (or 17636 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 40026356 is about 6326.6386019750. The cubic root of 40026356 is about 342.0702863874.

The spelling of 40026356 in words is "forty million, twenty-six thousand, three hundred fifty-six".