2748395520 has 624 divisors, whose sum is σ = 10876599552. Its totient is φ = 637009920.

The previous prime is 2748395513. The next prime is 2748395563. The reversal of 2748395520 is 255938472.

2748395520 is a `hidden beast` number, since 27 + 48 + 39 + 552 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (624).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 74280942 + ... + 74280978.

It is an arithmetic number, because the mean of its divisors is an integer number (17430448).

Almost surely, 2^2748395520 is an apocalyptic number.

2748395520 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 2748395520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5438299776).

2748395520 is an abundant number, since it is smaller than the sum of its proper divisors (8128204032).

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

2748395520 is a wasteful number, since it uses less digits than its factorization.

2748395520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 2748395520 is about 52425.1420598934. The cubic root of 2748395520 is about 1400.7471386182.

The spelling of 2748395520 in words is "two billion, seven hundred forty-eight million, three hundred ninety-five thousand, five hundred twenty".