2097283240 has 72 divisors (see below), whose sum is σ = 5118991290. Its totient is φ = 772991232.

The previous prime is 2097283187. The next prime is 2097283283. The reversal of 2097283240 is 423827902.

It can be written as a sum of positive squares in 9 ways, for example, as 579557476 + 1517725764 = 24074^2 + 38958^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2097283240.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3765042 + ... + 3765598.

Almost surely, 2^2097283240 is an apocalyptic number.

2097283240 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 2097283240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2559495645).

2097283240 is an abundant number, since it is smaller than the sum of its proper divisors (3021708050).

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

2097283240 is an equidigital number, since it uses as much as digits as its factorization.

2097283240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151 (or 577 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 2097283240 is about 45796.1050745585. The cubic root of 2097283240 is about 1280.0267002894.

The spelling of 2097283240 in words is "two billion, ninety-seven million, two hundred eighty-three thousand, two hundred forty".