40050449 has 4 divisors (see below), whose sum is σ = 40112436. Its totient is φ = 39988464.

The previous prime is 40050433. The next prime is 40050469. The reversal of 40050449 is 94405004.

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 27040000 + 13010449 = 5200^2 + 3607^2 .

It is a cyclic number.

It is not a de Polignac number, because 40050449 - 2⁴ = 40050433 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40050469) 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, 30014 + ... + 31319.

It is an arithmetic number, because the mean of its divisors is an integer number (10028109).

Almost surely, 2^40050449 is an apocalyptic number.

It is an amenable number.

40050449 is a deficient number, since it is larger than the sum of its proper divisors (61987).

40050449 is an equidigital number, since it uses as much as digits as its factorization.

40050449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61986.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 40050449 is about 6328.5424072214. The cubic root of 40050449 is about 342.1389065599.

The spelling of 40050449 in words is "forty million, fifty thousand, four hundred forty-nine".