440102340 has 72 divisors (see below), whose sum is σ = 1337394240. Its totient is φ = 117148224.

The previous prime is 440102317. The next prime is 440102353. The reversal of 440102340 is 43201044.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114571 + ... + 118349.

It is an arithmetic number, because the mean of its divisors is an integer number (18574920).

Almost surely, 2^440102340 is an apocalyptic number.

It is an amenable number.

440102340 is an abundant number, since it is smaller than the sum of its proper divisors (897291900).

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

440102340 is a wasteful number, since it uses less digits than its factorization.

440102340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4441 (or 4436 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 440102340 is about 20978.6162556066. The cubic root of 440102340 is about 760.6494563923.

Adding to 440102340 its reverse (43201044), we get a palindrome (483303384).

The spelling of 440102340 in words is "four hundred forty million, one hundred two thousand, three hundred forty".