2748297240 has 192 divisors, whose sum is σ = 9854339040. Its totient is φ = 659957760.

The previous prime is 2748297221. The next prime is 2748297241. The reversal of 2748297240 is 427928472.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2748297241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 184719 + ... + 199041.

Almost surely, 2^2748297240 is an apocalyptic number.

2748297240 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 2748297240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4927169520).

2748297240 is an abundant number, since it is smaller than the sum of its proper divisors (7106041800).

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

2748297240 is a wasteful number, since it uses less digits than its factorization.

2748297240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14394 (or 14387 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 2748297240 is about 52424.2047149978. The cubic root of 2748297240 is about 1400.7304419591.

The spelling of 2748297240 in words is "two billion, seven hundred forty-eight million, two hundred ninety-seven thousand, two hundred forty".