440014500 has 144 divisors (see below), whose sum is σ = 1397056752. Its totient is φ = 116582400.

The previous prime is 440014489. The next prime is 440014511. The reversal of 440014500 is 5410044.

It is an interprime number because it is at equal distance from previous prime (440014489) and next prime (440014511).

It can be written as a sum of positive squares in 8 ways, for example, as 240188004 + 199826496 = 15498^2 + 14136^2 .

It is a super-2 number, since 2×440014500² = 387225520420500000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1246324 + ... + 1246676.

It is an arithmetic number, because the mean of its divisors is an integer number (9701783).

Almost surely, 2^440014500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440014500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (698528376).

440014500 is an abundant number, since it is smaller than the sum of its proper divisors (957042252).

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

440014500 is a wasteful number, since it uses less digits than its factorization.

440014500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 440014500 is about 20976.5225907442. The cubic root of 440014500 is about 760.5988470318.

Adding to 440014500 its reverse (5410044), we get a palindrome (445424544).

The spelling of 440014500 in words is "four hundred forty million, fourteen thousand, five hundred".