40726040 has 32 divisors (see below), whose sum is σ = 93141360. Its totient is φ = 16022400.

The previous prime is 40726009. The next prime is 40726051. The reversal of 40726040 is 4062704.

40726040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40726040² = 3317220668163200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40725997 and 40726015.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5906 + ... + 10785.

Almost surely, 2^40726040 is an apocalyptic number.

40726040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40726040 is an abundant number, since it is smaller than the sum of its proper divisors (52415320).

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

40726040 is a wasteful number, since it uses less digits than its factorization.

40726040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16763 (or 16759 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 40726040 is about 6381.6956994203. The cubic root of 40726040 is about 344.0519797061.

Adding to 40726040 its reverse (4062704), we get a palindrome (44788744).

The spelling of 40726040 in words is "forty million, seven hundred twenty-six thousand, forty".