40126836 has 48 divisors (see below), whose sum is σ = 98360640. Its totient is φ = 12714240.

The previous prime is 40126829. The next prime is 40126847. The reversal of 40126836 is 63862104.

It is a super-2 number, since 2×40126836² = 3220325934741792, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 22456 + ... + 24176.

It is an arithmetic number, because the mean of its divisors is an integer number (2049180).

Almost surely, 2^40126836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40126836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49180320).

40126836 is an abundant number, since it is smaller than the sum of its proper divisors (58233804).

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

40126836 is a wasteful number, since it uses less digits than its factorization.

40126836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1824 (or 1822 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 40126836 is about 6334.5746502824. The cubic root of 40126836 is about 342.3562854526.

The spelling of 40126836 in words is "forty million, one hundred twenty-six thousand, eight hundred thirty-six".