2565814042 has 32 divisors (see below), whose sum is σ = 4301890560. Its totient is φ = 1137660720.

The previous prime is 2565814037. The next prime is 2565814051. The reversal of 2565814042 is 2404185652.

It is a junction number, because it is equal to n+sod(n) for n = 2565813992 and 2565814010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1042209 + ... + 1044667.

It is an arithmetic number, because the mean of its divisors is an integer number (134434080).

Almost surely, 2^2565814042 is an apocalyptic number.

2565814042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2565814042 is a deficient number, since it is larger than the sum of its proper divisors (1736076518).

2565814042 is a wasteful number, since it uses less digits than its factorization.

2565814042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3618.

The product of its (nonzero) digits is 76800, while the sum is 37.

The square root of 2565814042 is about 50653.8650252871. The cubic root of 2565814042 is about 1369.0155859968.

Adding to 2565814042 its reverse (2404185652), we get a palindrome (4969999694).

The spelling of 2565814042 in words is "two billion, five hundred sixty-five million, eight hundred fourteen thousand, forty-two".