4281897438 has 128 divisors (see below), whose sum is σ = 11950848000. Its totient is φ = 1129228128.

The previous prime is 4281897391. The next prime is 4281897479. The reversal of 4281897438 is 8347981824.

It is a happy number.

4281897438 is a `hidden beast` number, since 4 + 28 + 189 + 7 + 438 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 231895 + ... + 249677.

It is an arithmetic number, because the mean of its divisors is an integer number (93366000).

Almost surely, 2^4281897438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4281897438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5975424000).

4281897438 is an abundant number, since it is smaller than the sum of its proper divisors (7668950562).

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

4281897438 is a wasteful number, since it uses less digits than its factorization.

4281897438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17828 (or 17808 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The square root of 4281897438 is about 65436.2089213610. The cubic root of 4281897438 is about 1623.8481700110.

The spelling of 4281897438 in words is "four billion, two hundred eighty-one million, eight hundred ninety-seven thousand, four hundred thirty-eight".