2747821248 has 168 divisors, whose sum is σ = 8376909840. Its totient is φ = 861173760.

The previous prime is 2747821229. The next prime is 2747821261. The reversal of 2747821248 is 8421287472.

It is a super-2 number, since 2×2747821248² = 15101043221920555008, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2829403 + ... + 2830373.

Almost surely, 2^2747821248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2747821248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4188454920).

2747821248 is an abundant number, since it is smaller than the sum of its proper divisors (5629088592).

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

2747821248 is an equidigital number, since it uses as much as digits as its factorization.

2747821248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040 (or 993 counting only the distinct ones).

The product of its digits is 401408, while the sum is 45.

The square root of 2747821248 is about 52419.6647070544. The cubic root of 2747821248 is about 1400.6495706750.

The spelling of 2747821248 in words is "two billion, seven hundred forty-seven million, eight hundred twenty-one thousand, two hundred forty-eight".