440531412 has 48 divisors (see below), whose sum is σ = 1047900672. Its totient is φ = 144015840.

The previous prime is 440531407. The next prime is 440531419. The reversal of 440531412 is 214135044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440531419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130587 + ... + 133917.

It is an arithmetic number, because the mean of its divisors is an integer number (21831264).

Almost surely, 2^440531412 is an apocalyptic number.

It is an amenable number.

440531412 is an abundant number, since it is smaller than the sum of its proper divisors (607369260).

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

440531412 is a wasteful number, since it uses less digits than its factorization.

440531412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3548 (or 3546 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 440531412 is about 20988.8401775801. The cubic root of 440531412 is about 760.8965711706.

Adding to 440531412 its reverse (214135044), we get a palindrome (654666456).

The spelling of 440531412 in words is "four hundred forty million, five hundred thirty-one thousand, four hundred twelve".