80426544 has 80 divisors (see below), whose sum is σ = 238615680. Its totient is φ = 23086080.

The previous prime is 80426539. The next prime is 80426551. The reversal of 80426544 is 44562408.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6024 + ... + 14040.

It is an arithmetic number, because the mean of its divisors is an integer number (2982696).

Almost surely, 2^80426544 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 80426544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119307840).

80426544 is an abundant number, since it is smaller than the sum of its proper divisors (158189136).

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

80426544 is a wasteful number, since it uses less digits than its factorization.

80426544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8058 (or 8052 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 80426544 is about 8968.0847453623. The cubic root of 80426544 is about 431.6513819831.

It can be divided in two parts, 80 and 426544, that added together give a palindrome (426624).

The spelling of 80426544 in words is "eighty million, four hundred twenty-six thousand, five hundred forty-four".