40726916 has 12 divisors (see below), whose sum is σ = 71344140. Its totient is φ = 20342880.

The previous prime is 40726913. The next prime is 40726943. The reversal of 40726916 is 61962704.

It can be written as a sum of positive squares in 2 ways, for example, as 10432900 + 30294016 = 3230^2 + 5504^2 .

It is not an unprimeable number, because it can be changed into a prime (40726913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155 + ... + 9026.

It is an arithmetic number, because the mean of its divisors is an integer number (5945345).

Almost surely, 2^40726916 is an apocalyptic number.

It is an amenable number.

40726916 is a deficient number, since it is larger than the sum of its proper divisors (30617224).

40726916 is a wasteful number, since it uses less digits than its factorization.

40726916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10294 (or 10292 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 40726916 is about 6381.7643328471. The cubic root of 40726916 is about 344.0544464929.

The spelling of 40726916 in words is "forty million, seven hundred twenty-six thousand, nine hundred sixteen".