40057741 has 2 divisors, whose sum is σ = 40057742. Its totient is φ = 40057740.

The previous prime is 40057727. The next prime is 40057781. The reversal of 40057741 is 14775004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39501225 + 556516 = 6285^2 + 746^2 .

It is a cyclic number.

It is not a de Polignac number, because 40057741 - 2⁹ = 40057229 is a prime.

It is a super-2 number, since 2×40057741² = 3209245228046162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40057781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20028870 + 20028871.

It is an arithmetic number, because the mean of its divisors is an integer number (20028871).

Almost surely, 2^40057741 is an apocalyptic number.

It is an amenable number.

40057741 is a deficient number, since it is larger than the sum of its proper divisors (1).

40057741 is an equidigital number, since it uses as much as digits as its factorization.

40057741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 40057741 is about 6329.1185010237. The cubic root of 40057741 is about 342.1596697521.

The spelling of 40057741 in words is "forty million, fifty-seven thousand, seven hundred forty-one".