2542055409 has 12 divisors (see below), whose sum is σ = 3672313216. Its totient is φ = 1694493432.

The previous prime is 2542055357. The next prime is 2542055449. The reversal of 2542055409 is 9045502452.

It is not a de Polignac number, because 2542055409 - 2²¹ = 2539958257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2542055449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102024 + ... + 124470.

Almost surely, 2^2542055409 is an apocalyptic number.

It is an amenable number.

2542055409 is a deficient number, since it is larger than the sum of its proper divisors (1130257807).

2542055409 is a wasteful number, since it uses less digits than its factorization.

2542055409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35036 (or 35033 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 2542055409 is about 50418.8001543075. The cubic root of 2542055409 is about 1364.7769244603.

The spelling of 2542055409 in words is "two billion, five hundred forty-two million, fifty-five thousand, four hundred nine".