80644061926144 has 36 divisors (see below), whose sum is σ = 164716668658696. Its totient is φ = 39384309307392.

The previous prime is 80644061926091. The next prime is 80644061926189. The reversal of 80644061926144 is 44162916044608.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

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, 3662964189 + ... + 3662986204.

Almost surely, 2^{80644061926144} is an apocalyptic number.

It is an amenable number.

80644061926144 is an abundant number, since it is smaller than the sum of its proper divisors (84072606732552).

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

80644061926144 is an equidigital number, since it uses as much as digits as its factorization.

80644061926144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7325950452 (or 7325950438 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 55.

The spelling of 80644061926144 in words is "eighty trillion, six hundred forty-four billion, sixty-one million, nine hundred twenty-six thousand, one hundred forty-four".