2540753216 has 14 divisors (see below), whose sum is σ = 5041807290. Its totient is φ = 1270376576.

The previous prime is 2540753179. The next prime is 2540753239. The reversal of 2540753216 is 6123570452.

It can be written as a sum of positive squares in only one way, i.e., 1859334400 + 681418816 = 43120^2 + 26104^2 .

It is a super-2 number, since 2×2540753216² = 12910853809228685312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19849571 + ... + 19849698.

Almost surely, 2^2540753216 is an apocalyptic number.

It is an amenable number.

2540753216 is a deficient number, since it is larger than the sum of its proper divisors (2501054074).

2540753216 is an equidigital number, since it uses as much as digits as its factorization.

2540753216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39699281 (or 39699271 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 2540753216 is about 50405.8847358123. The cubic root of 2540753216 is about 1364.5438445019.

The spelling of 2540753216 in words is "two billion, five hundred forty million, seven hundred fifty-three thousand, two hundred sixteen".