440231340 has 48 divisors (see below), whose sum is σ = 1234826208. Its totient is φ = 117187584.

The previous prime is 440231333. The next prime is 440231353. The reversal of 440231340 is 43132044.

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, 29394 + ... + 41766.

It is an arithmetic number, because the mean of its divisors is an integer number (25725546).

Almost surely, 2^440231340 is an apocalyptic number.

It is an amenable number.

440231340 is an abundant number, since it is smaller than the sum of its proper divisors (794594868).

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

440231340 is a wasteful number, since it uses less digits than its factorization.

440231340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12978 (or 12976 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 440231340 is about 20981.6905896546. The cubic root of 440231340 is about 760.7237680432.

Adding to 440231340 its reverse (43132044), we get a palindrome (483363384).

The spelling of 440231340 in words is "four hundred forty million, two hundred thirty-one thousand, three hundred forty".