2425399656 has 64 divisors (see below), whose sum is σ = 6556826880. Its totient is φ = 744714240.

The previous prime is 2425399633. The next prime is 2425399667. The reversal of 2425399656 is 6569935242.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 2425399599 and 2425399608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44065 + ... + 82416.

It is an arithmetic number, because the mean of its divisors is an integer number (102450420).

Almost surely, 2^2425399656 is an apocalyptic number.

It is an amenable number.

2425399656 is an abundant number, since it is smaller than the sum of its proper divisors (4131427224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2425399656 is a wasteful number, since it uses less digits than its factorization.

2425399656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126554 (or 126550 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 51.

The square root of 2425399656 is about 49248.3467336722. The cubic root of 2425399656 is about 1343.5724928216.

The spelling of 2425399656 in words is "two billion, four hundred twenty-five million, three hundred ninety-nine thousand, six hundred fifty-six".