80120544 has 48 divisors (see below), whose sum is σ = 240363648. Its totient is φ = 22891392.

The previous prime is 80120539. The next prime is 80120563. The reversal of 80120544 is 44502108.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58942 + ... + 60285.

It is an arithmetic number, because the mean of its divisors is an integer number (5007576).

Almost surely, 2^80120544 is an apocalyptic number.

80120544 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

80120544 is an abundant number, since it is smaller than the sum of its proper divisors (160243104).

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

80120544 is a wasteful number, since it uses less digits than its factorization.

80120544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119247 (or 119239 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 80120544 is about 8951.0079879307. The cubic root of 80120544 is about 431.1032495427.

The spelling of 80120544 in words is "eighty million, one hundred twenty thousand, five hundred forty-four".