4247441266656 has 96 divisors (see below), whose sum is σ = 12839593713408. Its totient is φ = 1204290846720.

The previous prime is 4247441266597. The next prime is 4247441266751. The reversal of 4247441266656 is 6566621447424.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4247441266596 and 4247441266605.

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, 24036385 + ... + 24212448.

It is an arithmetic number, because the mean of its divisors is an integer number (133745767848).

Almost surely, 2^{4247441266656} is an apocalyptic number.

It is an amenable number.

4247441266656 is an abundant number, since it is smaller than the sum of its proper divisors (8592152446752).

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

4247441266656 is a wasteful number, since it uses less digits than its factorization.

4247441266656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48248984 (or 48248976 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 57.

The spelling of 4247441266656 in words is "four trillion, two hundred forty-seven billion, four hundred forty-one million, two hundred sixty-six thousand, six hundred fifty-six".