2542436566 has 8 divisors (see below), whose sum is σ = 3814661304. Its totient is φ = 1270882800.

The previous prime is 2542436543. The next prime is 2542436587. The reversal of 2542436566 is 6656342452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 158160 + ... + 173491.

It is an arithmetic number, because the mean of its divisors is an integer number (476832663).

Almost surely, 2^2542436566 is an apocalyptic number.

2542436566 is a deficient number, since it is larger than the sum of its proper divisors (1272224738).

2542436566 is a wasteful number, since it uses less digits than its factorization.

2542436566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335486.

The product of its digits is 1036800, while the sum is 43.

The square root of 2542436566 is about 50422.5799220944. The cubic root of 2542436566 is about 1364.8451328190.

The spelling of 2542436566 in words is "two billion, five hundred forty-two million, four hundred thirty-six thousand, five hundred sixty-six".