40726456 has 8 divisors (see below), whose sum is σ = 76362120. Its totient is φ = 20363224.

The previous prime is 40726451. The next prime is 40726471. The reversal of 40726456 is 65462704.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40726451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2545396 + ... + 2545411.

It is an arithmetic number, because the mean of its divisors is an integer number (9545265).

Almost surely, 2^40726456 is an apocalyptic number.

It is an amenable number.

40726456 is a deficient number, since it is larger than the sum of its proper divisors (35635664).

40726456 is a wasteful number, since it uses less digits than its factorization.

40726456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5090813 (or 5090809 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 40726456 is about 6381.7282925552. The cubic root of 40726456 is about 344.0531511527.

The spelling of 40726456 in words is "forty million, seven hundred twenty-six thousand, four hundred fifty-six".