2540144053 has 8 divisors (see below), whose sum is σ = 2612234520. Its totient is φ = 2468536320.

The previous prime is 2540144027. The next prime is 2540144077. The reversal of 2540144053 is 3504410452.

It can be written as a sum of positive squares in 4 ways, for example, as 266570929 + 2273573124 = 16327^2 + 47682^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2540144053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540144153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109998 + ... + 131071.

It is an arithmetic number, because the mean of its divisors is an integer number (326529315).

Almost surely, 2^2540144053 is an apocalyptic number.

It is an amenable number.

2540144053 is a deficient number, since it is larger than the sum of its proper divisors (72090467).

2540144053 is a wasteful number, since it uses less digits than its factorization.

2540144053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241367.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2540144053 is about 50399.8417953866. The cubic root of 2540144053 is about 1364.4347828719.

The spelling of 2540144053 in words is "two billion, five hundred forty million, one hundred forty-four thousand, fifty-three".