2540085030 has 144 divisors (see below), whose sum is σ = 7730704800. Its totient is φ = 576946944.

The previous prime is 2540085029. The next prime is 2540085043. The reversal of 2540085030 is 305800452.

It is a junction number, because it is equal to n+sod(n) for n = 2540084985 and 2540085003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 734746 + ... + 738194.

It is an arithmetic number, because the mean of its divisors is an integer number (53685450).

Almost surely, 2^2540085030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2540085030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3865352400).

2540085030 is an abundant number, since it is smaller than the sum of its proper divisors (5190619770).

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

2540085030 is a wasteful number, since it uses less digits than its factorization.

2540085030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3643 (or 3633 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2540085030 is about 50399.2562445122. The cubic root of 2540085030 is about 1364.4242147497.

Adding to 2540085030 its reverse (305800452), we get a palindrome (2845885482).

The spelling of 2540085030 in words is "two billion, five hundred forty million, eighty-five thousand, thirty".