2515262740 has 12 divisors (see below), whose sum is σ = 5282051796. Its totient is φ = 1006105088.

The previous prime is 2515262677. The next prime is 2515262791. The reversal of 2515262740 is 472625152.

It can be written as a sum of positive squares in 2 ways, for example, as 324648324 + 2190614416 = 18018^2 + 46804^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2515262696 and 2515262705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62881549 + ... + 62881588.

It is an arithmetic number, because the mean of its divisors is an integer number (440170983).

Almost surely, 2^2515262740 is an apocalyptic number.

2515262740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2515262740 is an abundant number, since it is smaller than the sum of its proper divisors (2766789056).

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

2515262740 is a wasteful number, since it uses less digits than its factorization.

2515262740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125763146 (or 125763144 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 2515262740 is about 50152.3951571607. The cubic root of 2515262740 is about 1359.9651699557.

Adding to 2515262740 its reverse (472625152), we get a palindrome (2987887892).

The spelling of 2515262740 in words is "two billion, five hundred fifteen million, two hundred sixty-two thousand, seven hundred forty".