80444673700408 has 32 divisors (see below), whose sum is σ = 151601902214400. Its totient is φ = 40017506472832.

The previous prime is 80444673700393. The next prime is 80444673700409. The reversal of 80444673700408 is 80400737644408.

It is a super-2 number, since 2×80444673700408² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80444673700409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104007366 + ... + 104777962.

It is an arithmetic number, because the mean of its divisors is an integer number (4737559444200).

Almost surely, 2^{80444673700408} is an apocalyptic number.

It is an amenable number.

80444673700408 is a deficient number, since it is larger than the sum of its proper divisors (71157228513992).

80444673700408 is a wasteful number, since it uses less digits than its factorization.

80444673700408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837039 (or 837035 counting only the distinct ones).

The product of its (nonzero) digits is 14450688, while the sum is 55.

The spelling of 80444673700408 in words is "eighty trillion, four hundred forty-four billion, six hundred seventy-three million, seven hundred thousand, four hundred eight".