2501440500 has 192 divisors, whose sum is σ = 8058855168. Its totient is φ = 598924800.

The previous prime is 2501440493. The next prime is 2501440507. The reversal of 2501440500 is 50441052.

It is an interprime number because it is at equal distance from previous prime (2501440493) and next prime (2501440507).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2501440507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 719767 + ... + 723233.

It is an arithmetic number, because the mean of its divisors is an integer number (41973204).

Almost surely, 2^2501440500 is an apocalyptic number.

2501440500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2501440500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4029427584).

2501440500 is an abundant number, since it is smaller than the sum of its proper divisors (5557414668).

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

2501440500 is a wasteful number, since it uses less digits than its factorization.

2501440500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3539 (or 3527 counting only the distinct ones).

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

The square root of 2501440500 is about 50014.4029255574. The cubic root of 2501440500 is about 1357.4694328184.

Adding to 2501440500 its reverse (50441052), we get a palindrome (2551881552).

The spelling of 2501440500 in words is "two billion, five hundred one million, four hundred forty thousand, five hundred".