4256163437244 has 96 divisors (see below), whose sum is σ = 11019505835520. Its totient is φ = 1271729952768.

The previous prime is 4256163437209. The next prime is 4256163437249. The reversal of 4256163437244 is 4427343616524.

It is a super-2 number, since 2×4256163437244² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4256163437249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 853354 + ... + 3039825.

It is an arithmetic number, because the mean of its divisors is an integer number (114786519120).

Almost surely, 2^{4256163437244} is an apocalyptic number.

It is an amenable number.

4256163437244 is an abundant number, since it is smaller than the sum of its proper divisors (6763342398276).

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

4256163437244 is a wasteful number, since it uses less digits than its factorization.

4256163437244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3893459 (or 3893457 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 51.

The spelling of 4256163437244 in words is "four trillion, two hundred fifty-six billion, one hundred sixty-three million, four hundred thirty-seven thousand, two hundred forty-four".