440808394 has 32 divisors (see below), whose sum is σ = 744226560. Its totient is φ = 194467392.

The previous prime is 440808391. The next prime is 440808421. The reversal of 440808394 is 493808044.

It is not an unprimeable number, because it can be changed into a prime (440808391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48352 + ... + 56740.

It is an arithmetic number, because the mean of its divisors is an integer number (23257080).

Almost surely, 2^440808394 is an apocalyptic number.

440808394 is a deficient number, since it is larger than the sum of its proper divisors (303418166).

440808394 is a wasteful number, since it uses less digits than its factorization.

440808394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8494.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 440808394 is about 20995.4374567428. The cubic root of 440808394 is about 761.0560077764.

The spelling of 440808394 in words is "four hundred forty million, eight hundred eight thousand, three hundred ninety-four".