40448806 has 8 divisors (see below), whose sum is σ = 61299000. Its totient is φ = 20015808.

The previous prime is 40448801. The next prime is 40448819. The reversal of 40448806 is 60884404.

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

It is a super-2 number, since 2×40448806² = 3272211813651272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40448801) 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, 104056 + ... + 104443.

It is an arithmetic number, because the mean of its divisors is an integer number (7662375).

Almost surely, 2^40448806 is an apocalyptic number.

40448806 is a deficient number, since it is larger than the sum of its proper divisors (20850194).

40448806 is a wasteful number, since it uses less digits than its factorization.

40448806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208598.

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 40448806 is about 6359.9375783100. The cubic root of 40448806 is about 343.2695142217.

The spelling of 40448806 in words is "forty million, four hundred forty-eight thousand, eight hundred six".