2540012052 has 24 divisors (see below), whose sum is σ = 5969336800. Its totient is φ = 840578976.

The previous prime is 2540012039. The next prime is 2540012053. The reversal of 2540012052 is 2502100452.

It is a happy number.

It is a super-2 number, since 2×2540012052² = 12903322448610501408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540012053) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 759727 + ... + 763062.

Almost surely, 2^2540012052 is an apocalyptic number.

It is an amenable number.

2540012052 is an abundant number, since it is smaller than the sum of its proper divisors (3429324748).

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

2540012052 is a wasteful number, since it uses less digits than its factorization.

2540012052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522935 (or 1522933 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2540012052 is about 50398.5322405326. The cubic root of 2540012052 is about 1364.4111477457.

The spelling of 2540012052 in words is "two billion, five hundred forty million, twelve thousand, fifty-two".