40376449 has 4 divisors (see below), whose sum is σ = 41038420. Its totient is φ = 39714480.

The previous prime is 40376443. The next prime is 40376491. The reversal of 40376449 is 94467304.

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 6036849 + 34339600 = 2457^2 + 5860^2 .

It is a cyclic number.

It is not a de Polignac number, because 40376449 - 2⁷ = 40376321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40376443) 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, 330894 + ... + 331015.

It is an arithmetic number, because the mean of its divisors is an integer number (10259605).

Almost surely, 2^40376449 is an apocalyptic number.

It is an amenable number.

40376449 is a deficient number, since it is larger than the sum of its proper divisors (661971).

40376449 is an equidigital number, since it uses as much as digits as its factorization.

40376449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661970.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 40376449 is about 6354.2465328314. The cubic root of 40376449 is about 343.0647057249.

The spelling of 40376449 in words is "forty million, three hundred seventy-six thousand, four hundred forty-nine".