440457232434 has 16 divisors (see below), whose sum is σ = 880955027040. Its totient is φ = 146812317120.

The previous prime is 440457232433. The next prime is 440457232447. The reversal of 440457232434 is 434232754044.

It is not an unprimeable number, because it can be changed into a prime (440457232433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1548007 + ... + 1810314.

It is an arithmetic number, because the mean of its divisors is an integer number (55059689190).

Almost surely, 2^440457232434 is an apocalyptic number.

440457232434 is an abundant number, since it is smaller than the sum of its proper divisors (440497794606).

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

440457232434 is a wasteful number, since it uses less digits than its factorization.

440457232434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3380185.

The product of its (nonzero) digits is 1290240, while the sum is 42.

Adding to 440457232434 its reverse (434232754044), we get a palindrome (874689986478).

The spelling of 440457232434 in words is "four hundred forty billion, four hundred fifty-seven million, two hundred thirty-two thousand, four hundred thirty-four".