2684455992 has 192 divisors, whose sum is σ = 8261416800. Its totient is φ = 812851200.

The previous prime is 2684455981. The next prime is 2684455993. The reversal of 2684455992 is 2995544862.

2684455992 is a `hidden beast` number, since 2 + 6 + 8 + 4 + 45 + 599 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2684455993) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 956992 + ... + 959792.

Almost surely, 2^2684455992 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 2684455992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4130708400).

2684455992 is an abundant number, since it is smaller than the sum of its proper divisors (5576960808).

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

2684455992 is a wasteful number, since it uses less digits than its factorization.

2684455992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2868 (or 2852 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The square root of 2684455992 is about 51811.7360450313. The cubic root of 2684455992 is about 1389.7993244103.

The spelling of 2684455992 in words is "two billion, six hundred eighty-four million, four hundred fifty-five thousand, nine hundred ninety-two".