80954491392 has 160 divisors (see below), whose sum is σ = 240169628160. Its totient is φ = 26924175360.

The previous prime is 80954491379. The next prime is 80954491439. The reversal of 80954491392 is 29319445908.

80954491392 is a `hidden beast` number, since 8 + 0 + 9 + 544 + 9 + 1 + 3 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6366513 + ... + 6379215.

It is an arithmetic number, because the mean of its divisors is an integer number (1501060176).

Almost surely, 2^80954491392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80954491392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120084814080).

80954491392 is an abundant number, since it is smaller than the sum of its proper divisors (159215136768).

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

80954491392 is a wasteful number, since it uses less digits than its factorization.

80954491392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13191 (or 13169 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 80954491392 in words is "eighty billion, nine hundred fifty-four million, four hundred ninety-one thousand, three hundred ninety-two".