2704665840 has 80 divisors (see below), whose sum is σ = 8392605696. Its totient is φ = 720544000.

The previous prime is 2704665839. The next prime is 2704665851. The reversal of 2704665840 is 485664072.

2704665840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 2704665792 and 2704665801.

It is a congruent number.

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, 271345 + ... + 281135.

Almost surely, 2^2704665840 is an apocalyptic number.

2704665840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2704665840 is an abundant number, since it is smaller than the sum of its proper divisors (5687939856).

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

2704665840 is a wasteful number, since it uses less digits than its factorization.

2704665840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10958 (or 10952 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The square root of 2704665840 is about 52006.4019136106. The cubic root of 2704665840 is about 1393.2782962981.

The spelling of 2704665840 in words is "two billion, seven hundred four million, six hundred sixty-five thousand, eight hundred forty".