2257643522076 has 12 divisors (see below), whose sum is σ = 5267834884872. Its totient is φ = 752547840688.

The previous prime is 2257643522051. The next prime is 2257643522077. The reversal of 2257643522076 is 6702253467522.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257643522077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94068480075 + ... + 94068480098.

It is an arithmetic number, because the mean of its divisors is an integer number (438986240406).

Almost surely, 2^{2257643522076} is an apocalyptic number.

It is an amenable number.

2257643522076 is an abundant number, since it is smaller than the sum of its proper divisors (3010191362796).

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

2257643522076 is a wasteful number, since it uses less digits than its factorization.

2257643522076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188136960180 (or 188136960178 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 51.

Adding to 2257643522076 its reverse (6702253467522), we get a palindrome (8959896989598).

The spelling of 2257643522076 in words is "two trillion, two hundred fifty-seven billion, six hundred forty-three million, five hundred twenty-two thousand, seventy-six".