2256464062544 has 20 divisors (see below), whose sum is σ = 4384077124320. Its totient is φ = 1125089320800.

The previous prime is 2256464062543. The next prime is 2256464062547. The reversal of 2256464062544 is 4452604646522.

It is a junction number, because it is equal to n+sod(n) for n = 2256464062492 and 2256464062501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256464062543) 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, 196413482 + ... + 196424969.

It is an arithmetic number, because the mean of its divisors is an integer number (219203856216).

Almost surely, 2^{2256464062544} is an apocalyptic number.

It is an amenable number.

2256464062544 is a deficient number, since it is larger than the sum of its proper divisors (2127613061776).

2256464062544 is a wasteful number, since it uses less digits than its factorization.

2256464062544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392838818 (or 392838812 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 50.

The spelling of 2256464062544 in words is "two trillion, two hundred fifty-six billion, four hundred sixty-four million, sixty-two thousand, five hundred forty-four".