80612142744392 has 144 divisors (see below), whose sum is σ = 188381141225280. Its totient is φ = 31673936399040.

The previous prime is 80612142744389. The next prime is 80612142744421. The reversal of 80612142744392 is 29344724121608.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17352893 + ... + 21502259.

It is an arithmetic number, because the mean of its divisors is an integer number (1308202369620).

Almost surely, 2^{80612142744392} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80612142744392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94190570612640).

80612142744392 is an abundant number, since it is smaller than the sum of its proper divisors (107768998480888).

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

80612142744392 is a wasteful number, since it uses less digits than its factorization.

80612142744392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4149480 (or 4149426 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 53.

The spelling of 80612142744392 in words is "eighty trillion, six hundred twelve billion, one hundred forty-two million, seven hundred forty-four thousand, three hundred ninety-two".