80944443510 has 64 divisors (see below), whose sum is σ = 222169208832. Its totient is φ = 18489073536.

The previous prime is 80944443509. The next prime is 80944443533. The reversal of 80944443510 is 1534444908.

It is a super-2 number, since 2×80944443510² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182664 + ... + 441876.

It is an arithmetic number, because the mean of its divisors is an integer number (3471393888).

Almost surely, 2^80944443510 is an apocalyptic number.

80944443510 is an abundant number, since it is smaller than the sum of its proper divisors (141224765322).

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

80944443510 is a wasteful number, since it uses less digits than its factorization.

80944443510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260717.

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 80944443510 in words is "eighty billion, nine hundred forty-four million, four hundred forty-three thousand, five hundred ten".