440200040 has 64 divisors (see below), whose sum is σ = 1198540800. Its totient is φ = 142046208.

The previous prime is 440200021. The next prime is 440200127. The reversal of 440200040 is 40002044.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 440199988 and 440200024.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41480 + ... + 50999.

It is an arithmetic number, because the mean of its divisors is an integer number (18727200).

Almost surely, 2^440200040 is an apocalyptic number.

440200040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

440200040 is an abundant number, since it is smaller than the sum of its proper divisors (758340760).

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

440200040 is a wasteful number, since it uses less digits than its factorization.

440200040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92514 (or 92510 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 440200040 is about 20980.9446879782. The cubic root of 440200040 is about 760.7057387208.

Adding to 440200040 its reverse (40002044), we get a palindrome (480202084).

The spelling of 440200040 in words is "four hundred forty million, two hundred thousand, forty".