12476331440 has 40 divisors (see below), whose sum is σ = 29554791408. Its totient is φ = 4896369920.

The previous prime is 12476331419. The next prime is 12476331457. The reversal of 12476331440 is 4413367421.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 12476331440.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1467026 + ... + 1475505.

Almost surely, 2^12476331440 is an apocalyptic number.

12476331440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12476331440 is an abundant number, since it is smaller than the sum of its proper divisors (17078459968).

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

12476331440 is a wasteful number, since it uses less digits than its factorization.

12476331440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942597 (or 2942591 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

Adding to 12476331440 its reverse (4413367421), we get a palindrome (16889698861).

The spelling of 12476331440 in words is "twelve billion, four hundred seventy-six million, three hundred thirty-one thousand, four hundred forty".