40156826 has 8 divisors (see below), whose sum is σ = 60262164. Its totient is φ = 20069440.

The previous prime is 40156817. The next prime is 40156903. The reversal of 40156826 is 62865104.

It can be written as a sum of positive squares in 2 ways, for example, as 38427601 + 1729225 = 6199^2 + 1315^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×40156826² = 3225141348788552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40156792 and 40156801.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6146 + ... + 10866.

Almost surely, 2^40156826 is an apocalyptic number.

40156826 is a deficient number, since it is larger than the sum of its proper divisors (20105338).

40156826 is a wasteful number, since it uses less digits than its factorization.

40156826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8976.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 40156826 is about 6336.9413757743. The cubic root of 40156826 is about 342.4415543087.

The spelling of 40156826 in words is "forty million, one hundred fifty-six thousand, eight hundred twenty-six".