40465841 has 4 divisors (see below), whose sum is σ = 43578612. Its totient is φ = 37353072.

The previous prime is 40465837. The next prime is 40465849. The reversal of 40465841 is 14856404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9150625 + 31315216 = 3025^2 + 5596^2 .

It is a cyclic number.

It is not a de Polignac number, because 40465841 - 2² = 40465837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40465798 and 40465807.

It is not an unprimeable number, because it can be changed into a prime (40465849) 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, 1556366 + ... + 1556391.

It is an arithmetic number, because the mean of its divisors is an integer number (10894653).

Almost surely, 2^40465841 is an apocalyptic number.

It is an amenable number.

40465841 is a deficient number, since it is larger than the sum of its proper divisors (3112771).

40465841 is a wasteful number, since it uses less digits than its factorization.

40465841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3112770.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 40465841 is about 6361.2766800384. The cubic root of 40465841 is about 343.3176967355.

The spelling of 40465841 in words is "forty million, four hundred sixty-five thousand, eight hundred forty-one".