12440439470 has 8 divisors (see below), whose sum is σ = 22392791064. Its totient is φ = 4976175784.

The previous prime is 12440439463. The next prime is 12440439493. The reversal of 12440439470 is 7493404421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 622021964 + ... + 622021983.

It is an arithmetic number, because the mean of its divisors is an integer number (2799098883).

Almost surely, 2^12440439470 is an apocalyptic number.

12440439470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12440439470 is a deficient number, since it is larger than the sum of its proper divisors (9952351594).

12440439470 is a wasteful number, since it uses less digits than its factorization.

12440439470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244043954.

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 12440439470 in words is "twelve billion, four hundred forty million, four hundred thirty-nine thousand, four hundred seventy".