40457041 has 2 divisors, whose sum is σ = 40457042. Its totient is φ = 40457040.

The previous prime is 40457029. The next prime is 40457071. The reversal of 40457041 is 14075404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27783441 + 12673600 = 5271^2 + 3560^2 .

It is a cyclic number.

It is not a de Polignac number, because 40457041 - 2⁵ = 40457009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40456997 and 40457015.

It is not a weakly prime, because it can be changed into another prime (40457071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20228520 + 20228521.

It is an arithmetic number, because the mean of its divisors is an integer number (20228521).

Almost surely, 2^40457041 is an apocalyptic number.

It is an amenable number.

40457041 is a deficient number, since it is larger than the sum of its proper divisors (1).

40457041 is an equidigital number, since it uses as much as digits as its factorization.

40457041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 40457041 is about 6360.5849573762. The cubic root of 40457041 is about 343.2928081325.

The spelling of 40457041 in words is "forty million, four hundred fifty-seven thousand, forty-one".