2540000007 has 12 divisors (see below), whose sum is σ = 3678325560. Its totient is φ = 1688977968.

The previous prime is 2539999993. The next prime is 2540000011. The reversal of 2540000007 is 7000000452.

It is a happy number.

2540000007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2540000007 - 2⁸ = 2539999751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540000017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 359253 + ... + 366254.

It is an arithmetic number, because the mean of its divisors is an integer number (306527130).

Almost surely, 2^2540000007 is an apocalyptic number.

2540000007 is a deficient number, since it is larger than the sum of its proper divisors (1138325553).

2540000007 is a wasteful number, since it uses less digits than its factorization.

2540000007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725902 (or 725899 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 2540000007 is about 50398.4127428632. The cubic root of 2540000007 is about 1364.4089910160.

Adding to 2540000007 its reverse (7000000452), we get a palindrome (9540000459).

The spelling of 2540000007 in words is "two billion, five hundred forty million, seven", and thus it is an aban number.