40782726 has 36 divisors (see below), whose sum is σ = 92393028. Its totient is φ = 13000152.

The previous prime is 40782719. The next prime is 40782727. The reversal of 40782726 is 62728704.

40782726 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40782727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7381 + ... + 11663.

It is an arithmetic number, because the mean of its divisors is an integer number (2566473).

Almost surely, 2^40782726 is an apocalyptic number.

40782726 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 40782726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46196514).

40782726 is an abundant number, since it is smaller than the sum of its proper divisors (51610302).

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

40782726 is a wasteful number, since it uses less digits than its factorization.

40782726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4337 (or 4311 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 40782726 is about 6386.1354511160. The cubic root of 40782726 is about 344.2115327332.

The spelling of 40782726 in words is "forty million, seven hundred eighty-two thousand, seven hundred twenty-six".