440312229 has 24 divisors (see below), whose sum is σ = 727737920. Its totient is φ = 251304768.

The previous prime is 440312219. The next prime is 440312231. The reversal of 440312229 is 922213044.

It is not a de Polignac number, because 440312229 - 2⁷ = 440312101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440312219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55302 + ... + 62760.

Almost surely, 2^440312229 is an apocalyptic number.

It is an amenable number.

440312229 is a deficient number, since it is larger than the sum of its proper divisors (287425691).

440312229 is a wasteful number, since it uses less digits than its factorization.

440312229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8409 (or 8406 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 440312229 is about 20983.6181103260. The cubic root of 440312229 is about 760.7703574996.

The spelling of 440312229 in words is "four hundred forty million, three hundred twelve thousand, two hundred twenty-nine".