4255621747038 has 96 divisors (see below), whose sum is σ = 9680856981120. Its totient is φ = 1349486853120.

The previous prime is 4255621747019. The next prime is 4255621747057. The reversal of 4255621747038 is 8307471265524.

4255621747038 is a `hidden beast` number, since 4 + 2 + 5 + 5 + 621 + 7 + 4 + 7 + 0 + 3 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (4255621747019) and next prime (4255621747057).

It is a super-2 number, since 2×4255621747038² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31516348 + ... + 31651088.

It is an arithmetic number, because the mean of its divisors is an integer number (100842260220).

Almost surely, 2^{4255621747038} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4255621747038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4840428490560).

4255621747038 is an abundant number, since it is smaller than the sum of its proper divisors (5425235234082).

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

4255621747038 is a wasteful number, since it uses less digits than its factorization.

4255621747038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135842 (or 135839 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 54.

The spelling of 4255621747038 in words is "four trillion, two hundred fifty-five billion, six hundred twenty-one million, seven hundred forty-seven thousand, thirty-eight".