2540724504 has 24 divisors (see below), whose sum is σ = 6352428660. Its totient is φ = 846825856.

The previous prime is 2540724503. The next prime is 2540724533. The reversal of 2540724504 is 4054270452.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540724503) 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 5 ways as a sum of consecutive naturals, for example, 241792 + ... + 252080.

Almost surely, 2^2540724504 is an apocalyptic number.

2540724504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2540724504 is an abundant number, since it is smaller than the sum of its proper divisors (3811704156).

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

2540724504 is an frugal number, since it uses more digits than its factorization.

2540724504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20587 (or 10294 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 33.

The square root of 2540724504 is about 50405.5999269922. The cubic root of 2540724504 is about 1364.5387044342.

Adding to 2540724504 its reverse (4054270452), we get a palindrome (6594994956).

The spelling of 2540724504 in words is "two billion, five hundred forty million, seven hundred twenty-four thousand, five hundred four".