440252040 has 64 divisors (see below), whose sum is σ = 1390276800. Its totient is φ = 111220992.

The previous prime is 440252027. The next prime is 440252047. The reversal of 440252040 is 40252044.

It is a junction number, because it is equal to n+sod(n) for n = 440251998 and 440252016.

It is not an unprimeable number, because it can be changed into a prime (440252047) 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, 94267 + ... + 98826.

It is an arithmetic number, because the mean of its divisors is an integer number (21723075).

Almost surely, 2^440252040 is an apocalyptic number.

440252040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

440252040 is an abundant number, since it is smaller than the sum of its proper divisors (950024760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440252040 is a wasteful number, since it uses less digits than its factorization.

440252040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193126 (or 193122 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 440252040 is about 20982.1838710845. The cubic root of 440252040 is about 760.7356911192.

The spelling of 440252040 in words is "four hundred forty million, two hundred fifty-two thousand, forty".