2605525610044 has 48 divisors (see below), whose sum is σ = 5279551764480. Its totient is φ = 1101988742400.

The previous prime is 2605525610033. The next prime is 2605525610053. The reversal of 2605525610044 is 4400165255062.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2605525609979 and 2605525610006.

It is a congruent number.

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, 4334244 + ... + 4898644.

It is an arithmetic number, because the mean of its divisors is an integer number (109990661760).

Almost surely, 2^{2605525610044} is an apocalyptic number.

It is an amenable number.

2605525610044 is an abundant number, since it is smaller than the sum of its proper divisors (2674026154436).

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

2605525610044 is a wasteful number, since it uses less digits than its factorization.

2605525610044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566578 (or 566576 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 2605525610044 in words is "two trillion, six hundred five billion, five hundred twenty-five million, six hundred ten thousand, forty-four".