2140660452 has 108 divisors (see below), whose sum is σ = 5905653264. Its totient is φ = 601745760.

The previous prime is 2140660429. The next prime is 2140660499. The reversal of 2140660452 is 2540660412.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2639127 + ... + 2639937.

Almost surely, 2^2140660452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2140660452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2952826632).

2140660452 is an abundant number, since it is smaller than the sum of its proper divisors (3764992812).

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

2140660452 is a wasteful number, since it uses less digits than its factorization.

2140660452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966 (or 890 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 2140660452 is about 46267.2719316797. The cubic root of 2140660452 is about 1288.7912985706.

The spelling of 2140660452 in words is "two billion, one hundred forty million, six hundred sixty thousand, four hundred fifty-two".