2681194432 has 56 divisors (see below), whose sum is σ = 6085551456. Its totient is φ = 1148141568.

The previous prime is 2681194421. The next prime is 2681194459. The reversal of 2681194432 is 2344911862.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

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, 1016988 + ... + 1019620.

Almost surely, 2^2681194432 is an apocalyptic number.

It is an amenable number.

2681194432 is an abundant number, since it is smaller than the sum of its proper divisors (3404357024).

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

2681194432 is a wasteful number, since it uses less digits than its factorization.

2681194432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4925 (or 4915 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 2681194432 is about 51780.2513705756. The cubic root of 2681194432 is about 1389.2362368998.

The spelling of 2681194432 in words is "two billion, six hundred eighty-one million, one hundred ninety-four thousand, four hundred thirty-two".