2708143920 has 120 divisors (see below), whose sum is σ = 9204629616. Its totient is φ = 713455104.

The previous prime is 2708143847. The next prime is 2708143969. The reversal of 2708143920 is 293418072.

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 (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37102 + ... + 82418.

Almost surely, 2^2708143920 is an apocalyptic number.

2708143920 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 2708143920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4602314808).

2708143920 is an abundant number, since it is smaller than the sum of its proper divisors (6496485696).

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

2708143920 is a wasteful number, since it uses less digits than its factorization.

2708143920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45419 (or 45410 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2708143920 is about 52039.8301303915. The cubic root of 2708143920 is about 1393.8752717875.

The spelling of 2708143920 in words is "two billion, seven hundred eight million, one hundred forty-three thousand, nine hundred twenty".