2634066720 has 144 divisors (see below), whose sum is σ = 9379685952. Its totient is φ = 671869440.

The previous prime is 2634066703. The next prime is 2634066733. The reversal of 2634066720 is 276604362.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6646 + ... + 72885.

It is an arithmetic number, because the mean of its divisors is an integer number (65136708).

Almost surely, 2^2634066720 is an apocalyptic number.

2634066720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2634066720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4689842976).

2634066720 is an abundant number, since it is smaller than the sum of its proper divisors (6745619232).

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

2634066720 is a wasteful number, since it uses less digits than its factorization.

2634066720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79575 (or 79564 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 2634066720 is about 51323.1596844933. The cubic root of 2634066720 is about 1381.0484785611.

The spelling of 2634066720 in words is "two billion, six hundred thirty-four million, sixty-six thousand, seven hundred twenty".