80319722490 has 144 divisors (see below), whose sum is σ = 250762936320. Its totient is φ = 17766544320.

The previous prime is 80319722411. The next prime is 80319722551. The reversal of 80319722490 is 9422791308.

80319722490 is a `hidden beast` number, since 80 + 3 + 19 + 72 + 2 + 490 = 666.

It is a super-2 number, since 2×80319722490² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 157050 + ... + 430469.

It is an arithmetic number, because the mean of its divisors is an integer number (1741409280).

Almost surely, 2^80319722490 is an apocalyptic number.

80319722490 is an abundant number, since it is smaller than the sum of its proper divisors (170443213830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80319722490 is a wasteful number, since it uses less digits than its factorization.

80319722490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587577 (or 587567 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 80319722490 in words is "eighty billion, three hundred nineteen million, seven hundred twenty-two thousand, four hundred ninety".