2425566542 has 24 divisors (see below), whose sum is σ = 4368899520.
Its totient is φ = 1005994080.
The previous prime is 2425566497. The next prime is 2425566569. The reversal of 2425566542 is 2456655242.
It is a self number, because there is not a number n which added to its sum of digits gives 2425566542.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 396167 + ... + 402242.
It is an arithmetic number, because the mean of its divisors is an integer number (182037480).
Almost surely, 22425566542 is an apocalyptic number.
2425566542 is a deficient number, since it is larger than the sum of its proper divisors (1943332978).
2425566542 is a wasteful number, since it uses less digits than its factorization.
2425566542 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 798456 (or 798449 counting only the distinct ones).
The product of its digits is 576000, while the sum is 41.
The square root of 2425566542 is about 49250.0410355159.
The cubic root of 2425566542 is about 1343.6033081274.
The spelling of 2425566542 in words is "two billion, four hundred twenty-five million, five hundred sixty-six thousand, five hundred forty-two".