1268571432144 has 40 divisors (see below), whose sum is σ = 3277183184352. Its totient is φ = 422851941760.

The previous prime is 1268571432127. The next prime is 1268571432169. The reversal of 1268571432144 is 4412341758621.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 1268571432093 and 1268571432102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7671682 + ... + 7835294.

Almost surely, 2^{1268571432144} is an apocalyptic number.

It is an amenable number.

1268571432144 is an abundant number, since it is smaller than the sum of its proper divisors (2008611752208).

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

1268571432144 is a wasteful number, since it uses less digits than its factorization.

1268571432144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325155 (or 325149 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 48.

The spelling of 1268571432144 in words is "one trillion, two hundred sixty-eight billion, five hundred seventy-one million, four hundred thirty-two thousand, one hundred forty-four".