80441534 has 32 divisors (see below), whose sum is σ = 133125120. Its totient is φ = 36326752.

The previous prime is 80441533. The next prime is 80441561. The reversal of 80441534 is 43514408.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 80441497 and 80441506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80441531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62057 + ... + 63339.

It is an arithmetic number, because the mean of its divisors is an integer number (4160160).

Almost surely, 2^80441534 is an apocalyptic number.

80441534 is a deficient number, since it is larger than the sum of its proper divisors (52683586).

80441534 is a wasteful number, since it uses less digits than its factorization.

80441534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 80441534 is about 8968.9204478577. The cubic root of 80441534 is about 431.6781975589.

The spelling of 80441534 in words is "eighty million, four hundred forty-one thousand, five hundred thirty-four".