2750248920 has 128 divisors (see below), whose sum is σ = 8643594240. Its totient is φ = 698734080.

The previous prime is 2750248909. The next prime is 2750248931. The reversal of 2750248920 is 298420572.

It is an interprime number because it is at equal distance from previous prime (2750248909) and next prime (2750248931).

It is a super-2 number, since 2×2750248920² = 15127738243922332800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 746122 + ... + 749798.

It is an arithmetic number, because the mean of its divisors is an integer number (67528080).

Almost surely, 2^2750248920 is an apocalyptic number.

2750248920 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 2750248920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4321797120).

2750248920 is an abundant number, since it is smaller than the sum of its proper divisors (5893345320).

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

2750248920 is a wasteful number, since it uses less digits than its factorization.

2750248920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3985 (or 3981 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 2750248920 is about 52442.8157138802. The cubic root of 2750248920 is about 1401.0619357875.

The spelling of 2750248920 in words is "two billion, seven hundred fifty million, two hundred forty-eight thousand, nine hundred twenty".