2748281830 has 32 divisors (see below), whose sum is σ = 5676168960. Its totient is φ = 938508000.

The previous prime is 2748281821. The next prime is 2748281849. The reversal of 2748281830 is 381828472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60640 + ... + 95779.

It is an arithmetic number, because the mean of its divisors is an integer number (177380280).

Almost surely, 2^2748281830 is an apocalyptic number.

2748281830 is an abundant number, since it is smaller than the sum of its proper divisors (2927887130).

2748281830 is a wasteful number, since it uses less digits than its factorization.

2748281830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156684.

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 2748281830 is about 52424.0577406976. The cubic root of 2748281830 is about 1400.7278239385.

The spelling of 2748281830 in words is "two billion, seven hundred forty-eight million, two hundred eighty-one thousand, eight hundred thirty".