2540330452 has 12 divisors (see below), whose sum is σ = 4849721856. Its totient is φ = 1154695640.

The previous prime is 2540330437. The next prime is 2540330459.

2540330452 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 2540330452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540330459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28867348 + ... + 28867435.

It is an arithmetic number, because the mean of its divisors is an integer number (404143488).

Almost surely, 2^2540330452 is an apocalyptic number.

2540330452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2540330452 is a deficient number, since it is larger than the sum of its proper divisors (2309391404).

2540330452 is a wasteful number, since it uses less digits than its factorization.

2540330452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57734798 (or 57734796 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 2540330452 is about 50401.6909636968. The cubic root of 2540330452 is about 1364.4681567085.

It can be divided in two parts, 25403 and 30452, that added together give a palindrome (55855).

The spelling of 2540330452 in words is "two billion, five hundred forty million, three hundred thirty thousand, four hundred fifty-two".