2659672080 has 120 divisors (see below), whose sum is σ = 9619181208. Its totient is φ = 654686208.

The previous prime is 2659672069. The next prime is 2659672111. The reversal of 2659672080 is 802769562.

It can be written as a sum of positive squares in 4 ways, for example, as 620607744 + 2039064336 = 24912^2 + 45156^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 132717 + ... + 151436.

Almost surely, 2^2659672080 is an apocalyptic number.

2659672080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2659672080 is an abundant number, since it is smaller than the sum of its proper divisors (6959509128).

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

2659672080 is a wasteful number, since it uses less digits than its factorization.

2659672080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284185 (or 284176 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 2659672080 is about 51572.0086868836. The cubic root of 2659672080 is about 1385.5090432047.

The spelling of 2659672080 in words is "two billion, six hundred fifty-nine million, six hundred seventy-two thousand, eighty".