2708043840 has 280 divisors, whose sum is σ = 9701125632. Its totient is φ = 717050880.

The previous prime is 2708043829. The next prime is 2708043889. The reversal of 2708043840 is 483408072.

2708043840 is a `hidden beast` number, since 270 + 8 + 0 + 4 + 384 + 0 = 666.

It is a super-4 number, since 4×2708043840⁴ (a number of 39 digits) contains 4444 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 2708043795 and 2708043804.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4950447 + ... + 4950993.

Almost surely, 2^2708043840 is an apocalyptic number.

2708043840 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 2708043840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4850562816).

2708043840 is an abundant number, since it is smaller than the sum of its proper divisors (6993081792).

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

2708043840 is a wasteful number, since it uses less digits than its factorization.

2708043840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767 (or 748 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 2708043840 is about 52038.8685503442. The cubic root of 2708043840 is about 1393.8581012629.

The spelling of 2708043840 in words is "two billion, seven hundred eight million, forty-three thousand, eight hundred forty".