440922993 has 32 divisors (see below), whose sum is σ = 690849792. Its totient is φ = 244944000.

The previous prime is 440922971. The next prime is 440923009. The reversal of 440922993 is 399229044.

It is not a de Polignac number, because 440922993 - 2⁵ = 440922961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (440922943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106818 + ... + 110868.

It is an arithmetic number, because the mean of its divisors is an integer number (21589056).

Almost surely, 2^440922993 is an apocalyptic number.

It is an amenable number.

440922993 is a deficient number, since it is larger than the sum of its proper divisors (249926799).

440922993 is a wasteful number, since it uses less digits than its factorization.

440922993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4205.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 440922993 is about 20998.1664199520. The cubic root of 440922993 is about 761.1219538138.

The spelling of 440922993 in words is "four hundred forty million, nine hundred twenty-two thousand, nine hundred ninety-three".