2540235144 has 16 divisors (see below), whose sum is σ = 6350587920. Its totient is φ = 846745040.

The previous prime is 2540235121. The next prime is 2540235197. The reversal of 2540235144 is 4415320452.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52921542 + ... + 52921589.

It is an arithmetic number, because the mean of its divisors is an integer number (396911745).

Almost surely, 2^2540235144 is an apocalyptic number.

2540235144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2540235144 is an abundant number, since it is smaller than the sum of its proper divisors (3810352776).

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

2540235144 is a wasteful number, since it uses less digits than its factorization.

2540235144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105843140 (or 105843136 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 2540235144 is about 50400.7454706773. The cubic root of 2540235144 is about 1364.4510924775.

Adding to 2540235144 its reverse (4415320452), we get a palindrome (6955555596).

The spelling of 2540235144 in words is "two billion, five hundred forty million, two hundred thirty-five thousand, one hundred forty-four".