2097612240 has 160 divisors (see below), whose sum is σ = 6683381760. Its totient is φ = 543932928.

The previous prime is 2097612227. The next prime is 2097612247. The reversal of 2097612240 is 422167902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2097612247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4530249 + ... + 4530711.

It is an arithmetic number, because the mean of its divisors is an integer number (41771136).

Almost surely, 2^2097612240 is an apocalyptic number.

2097612240 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 2097612240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3341690880).

2097612240 is an abundant number, since it is smaller than the sum of its proper divisors (4585769520).

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

2097612240 is a wasteful number, since it uses less digits than its factorization.

2097612240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961 (or 955 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 2097612240 is about 45799.6969422288. The cubic root of 2097612240 is about 1280.0936292188.

The spelling of 2097612240 in words is "two billion, ninety-seven million, six hundred twelve thousand, two hundred forty".