80142871456 has 24 divisors (see below), whose sum is σ = 164641335264. Its totient is φ = 38329199040.

The previous prime is 80142871453. The next prime is 80142871541. The reversal of 80142871456 is 65417824108.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (80142871453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54444150 + ... + 54445621.

It is an arithmetic number, because the mean of its divisors is an integer number (6860055636).

Almost surely, 2^80142871456 is an apocalyptic number.

It is an amenable number.

80142871456 is an abundant number, since it is smaller than the sum of its proper divisors (84498463808).

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

80142871456 is a wasteful number, since it uses less digits than its factorization.

80142871456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108889804 (or 108889796 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 46.

The spelling of 80142871456 in words is "eighty billion, one hundred forty-two million, eight hundred seventy-one thousand, four hundred fifty-six".