4272443698656 has 432 divisors, whose sum is σ = 14579033159376. Its totient is φ = 1088417046528.

The previous prime is 4272443698651. The next prime is 4272443698681. The reversal of 4272443698656 is 6568963442724.

It is a happy number.

It is a super-2 number, since 2×4272443698656² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4272443698651) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 28794450 + ... + 28942446.

It is an arithmetic number, because the mean of its divisors is an integer number (33747761943).

Almost surely, 2^{4272443698656} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4272443698656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7289516579688).

4272443698656 is an abundant number, since it is smaller than the sum of its proper divisors (10306589460720).

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

4272443698656 is a wasteful number, since it uses less digits than its factorization.

4272443698656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148079 (or 148045 counting only the distinct ones).

The product of its digits is 418037760, while the sum is 66.

The spelling of 4272443698656 in words is "four trillion, two hundred seventy-two billion, four hundred forty-three million, six hundred ninety-eight thousand, six hundred fifty-six".