2540220002 has 16 divisors (see below), whose sum is σ = 4036920120. Its totient is φ = 1194670848.

The previous prime is 2540219921. The next prime is 2540220017. The reversal of 2540220002 is 2000220452.

2540220002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2534014921 + 6205081 = 50339^2 + 2491^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36248 + ... + 79964.

Almost surely, 2^2540220002 is an apocalyptic number.

2540220002 is a deficient number, since it is larger than the sum of its proper divisors (1496700118).

2540220002 is a wasteful number, since it uses less digits than its factorization.

2540220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45445.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 2540220002 is about 50400.5952544214. The cubic root of 2540220002 is about 1364.4483813690.

Adding to 2540220002 its reverse (2000220452), we get a palindrome (4540440454).

The spelling of 2540220002 in words is "two billion, five hundred forty million, two hundred twenty thousand, two".