40106826 has 40 divisors (see below), whose sum is σ = 92978820. Its totient is φ = 12906432.

The previous prime is 40106809. The next prime is 40106837. The reversal of 40106826 is 62860104.

It can be written as a sum of positive squares in 2 ways, for example, as 38007225 + 2099601 = 6165^2 + 1449^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 40106826.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 430 + ... + 8966.

Almost surely, 2^40106826 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40106826, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46489410).

40106826 is an abundant number, since it is smaller than the sum of its proper divisors (52871994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40106826 is a wasteful number, since it uses less digits than its factorization.

40106826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8580 (or 8571 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 40106826 is about 6332.9950260520. The cubic root of 40106826 is about 342.2993685279.

The spelling of 40106826 in words is "forty million, one hundred six thousand, eight hundred twenty-six".