440234214040 has 32 divisors (see below), whose sum is σ = 990644730480. Its totient is φ = 176072752512.

The previous prime is 440234213959. The next prime is 440234214047. The reversal of 440234214040 is 40412432044.

It is a super-2 number, since 2×440234214040² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440234214047) 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, 311247 + ... + 988606.

Almost surely, 2^440234214040 is an apocalyptic number.

440234214040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

440234214040 is an abundant number, since it is smaller than the sum of its proper divisors (550410516440).

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

440234214040 is a wasteful number, since it uses less digits than its factorization.

440234214040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308331 (or 1308327 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 440234214040 its reverse (40412432044), we get a palindrome (480646646084).

The spelling of 440234214040 in words is "four hundred forty billion, two hundred thirty-four million, two hundred fourteen thousand, forty".