25445733050 has 12 divisors (see below), whose sum is σ = 47329063566. Its totient is φ = 10178293200.

The previous prime is 25445733043. The next prime is 25445733077. The reversal of 25445733050 is 5033754452.

It can be written as a sum of positive squares in 3 ways, for example, as 16600518649 + 8845214401 = 128843^2 + 94049^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25445732995 and 25445733013.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 254457281 + ... + 254457380.

Almost surely, 2^25445733050 is an apocalyptic number.

25445733050 is a deficient number, since it is larger than the sum of its proper divisors (21883330516).

25445733050 is a wasteful number, since it uses less digits than its factorization.

25445733050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508914673 (or 508914668 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 38.

The spelling of 25445733050 in words is "twenty-five billion, four hundred forty-five million, seven hundred thirty-three thousand, fifty".