2245540505556 has 48 divisors (see below), whose sum is σ = 5248424821248. Its totient is φ = 747252326400.

The previous prime is 2245540505513. The next prime is 2245540505561. The reversal of 2245540505556 is 6555050455422.

It is a happy number.

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, 91007101 + ... + 91031771.

It is an arithmetic number, because the mean of its divisors is an integer number (109342183776).

Almost surely, 2^{2245540505556} is an apocalyptic number.

It is an amenable number.

2245540505556 is an abundant number, since it is smaller than the sum of its proper divisors (3002884315692).

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

2245540505556 is a wasteful number, since it uses less digits than its factorization.

2245540505556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37152 (or 37150 counting only the distinct ones).

The product of its (nonzero) digits is 6000000, while the sum is 48.

The spelling of 2245540505556 in words is "two trillion, two hundred forty-five billion, five hundred forty million, five hundred five thousand, five hundred fifty-six".