80000624444 has 36 divisors (see below), whose sum is σ = 151871701464. Its totient is φ = 36856901952.

The previous prime is 80000624441. The next prime is 80000624497. The reversal of 80000624444 is 44442600008.

It is a super-2 number, since 2×80000624444² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80000624444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80000624441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 270299 + ... + 482765.

It is an arithmetic number, because the mean of its divisors is an integer number (4218658374).

Almost surely, 2^80000624444 is an apocalyptic number.

It is an amenable number.

80000624444 is a deficient number, since it is larger than the sum of its proper divisors (71871077020).

80000624444 is a wasteful number, since it uses less digits than its factorization.

80000624444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213054 (or 213039 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

The spelling of 80000624444 in words is "eighty billion, six hundred twenty-four thousand, four hundred forty-four".