2542196444 has 24 divisors (see below), whose sum is σ = 4573957248. Its totient is φ = 1235424960.

The previous prime is 2542196441. The next prime is 2542196549. The reversal of 2542196444 is 4446912452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542196441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138002 + ... + 155334.

It is an arithmetic number, because the mean of its divisors is an integer number (190581552).

Almost surely, 2^2542196444 is an apocalyptic number.

It is an amenable number.

2542196444 is a deficient number, since it is larger than the sum of its proper divisors (2031760804).

2542196444 is a wasteful number, since it uses less digits than its factorization.

2542196444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18365 (or 18363 counting only the distinct ones).

The product of its digits is 276480, while the sum is 41.

The square root of 2542196444 is about 50420.1987699374. The cubic root of 2542196444 is about 1364.8021635842.

The spelling of 2542196444 in words is "two billion, five hundred forty-two million, one hundred ninety-six thousand, four hundred forty-four".