2540241515 has 16 divisors (see below), whose sum is σ = 3603890880. Its totient is φ = 1681814400.

The previous prime is 2540241511. The next prime is 2540241559. The reversal of 2540241515 is 5151420452.

It is not a de Polignac number, because 2540241515 - 2² = 2540241511 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (2540241511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1250336 + ... + 1252365.

It is an arithmetic number, because the mean of its divisors is an integer number (225243180).

Almost surely, 2^2540241515 is an apocalyptic number.

2540241515 is a deficient number, since it is larger than the sum of its proper divisors (1063649365).

2540241515 is a wasteful number, since it uses less digits than its factorization.

2540241515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2502742.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 2540241515 is about 50400.8086740679. The cubic root of 2540241515 is about 1364.4522331738.

Adding to 2540241515 its reverse (5151420452), we get a palindrome (7691661967).

The spelling of 2540241515 in words is "two billion, five hundred forty million, two hundred forty-one thousand, five hundred fifteen".