2040140144 has 20 divisors (see below), whose sum is σ = 4517453424. Its totient is φ = 874345728.

The previous prime is 2040140099. The next prime is 2040140153. The reversal of 2040140144 is 4410410402.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9107657 + ... + 9107880.

Almost surely, 2^2040140144 is an apocalyptic number.

It is an amenable number.

2040140144 is an abundant number, since it is smaller than the sum of its proper divisors (2477313280).

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

2040140144 is a wasteful number, since it uses less digits than its factorization.

2040140144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18215552 (or 18215546 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2040140144 is about 45167.9105560574. The cubic root of 2040140144 is about 1268.2941828548.

Adding to 2040140144 its reverse (4410410402), we get a palindrome (6450550546).

The spelling of 2040140144 in words is "two billion, forty million, one hundred forty thousand, one hundred forty-four".