40802449 has 8 divisors (see below), whose sum is σ = 42356160. Its totient is φ = 39258576.

The previous prime is 40802441. The next prime is 40802459. The reversal of 40802449 is 94420804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40802449 - 2³ = 40802441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40802449.

It is not an unprimeable number, because it can be changed into a prime (40802441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6612 + ... + 11194.

It is an arithmetic number, because the mean of its divisors is an integer number (5294520).

Almost surely, 2^40802449 is an apocalyptic number.

It is an amenable number.

40802449 is a deficient number, since it is larger than the sum of its proper divisors (1553711).

40802449 is a wasteful number, since it uses less digits than its factorization.

40802449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4919.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 40802449 is about 6387.6794691030. The cubic root of 40802449 is about 344.2670120225.

The spelling of 40802449 in words is "forty million, eight hundred two thousand, four hundred forty-nine".