40855450 has 24 divisors (see below), whose sum is σ = 76853340. Its totient is φ = 16156800.

The previous prime is 40855447. The next prime is 40855457. The reversal of 40855450 is 5455804.

It can be written as a sum of positive squares in 6 ways, for example, as 11229201 + 29626249 = 3351^2 + 5443^2 .

It is not an unprimeable number, because it can be changed into a prime (40855457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141 + ... + 9040.

Almost surely, 2^40855450 is an apocalyptic number.

40855450 is a deficient number, since it is larger than the sum of its proper divisors (35997890).

40855450 is a wasteful number, since it uses less digits than its factorization.

40855450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9282 (or 9277 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 40855450 is about 6391.8268124223. The cubic root of 40855450 is about 344.4160112576.

The spelling of 40855450 in words is "forty million, eight hundred fifty-five thousand, four hundred fifty".