80440991497190 has 8 divisors (see below), whose sum is σ = 144793784694960. Its totient is φ = 32176396598872.

The previous prime is 80440991497187. The next prime is 80440991497201. The reversal of 80440991497190 is 9179419904408.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×80440991497190² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4022049574850 + ... + 4022049574869.

It is an arithmetic number, because the mean of its divisors is an integer number (18099223086870).

Almost surely, 2^{80440991497190} is an apocalyptic number.

80440991497190 is a deficient number, since it is larger than the sum of its proper divisors (64352793197770).

80440991497190 is a wasteful number, since it uses less digits than its factorization.

80440991497190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8044099149726.

The product of its (nonzero) digits is 23514624, while the sum is 65.

The spelling of 80440991497190 in words is "eighty trillion, four hundred forty billion, nine hundred ninety-one million, four hundred ninety-seven thousand, one hundred ninety".