80144746064 has 40 divisors (see below), whose sum is σ = 159427420992. Its totient is φ = 39006606080.

The previous prime is 80144746043. The next prime is 80144746069. The reversal of 80144746064 is 46064744108.

It is a super-3 number, since 3×80144746064³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80144746069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152717 + ... + 428499.

Almost surely, 2^80144746064 is an apocalyptic number.

It is an amenable number.

80144746064 is a deficient number, since it is larger than the sum of its proper divisors (79282674928).

80144746064 is a wasteful number, since it uses less digits than its factorization.

80144746064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276275 (or 276269 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 44.

The spelling of 80144746064 in words is "eighty billion, one hundred forty-four million, seven hundred forty-six thousand, sixty-four".