4281601378728 has 64 divisors (see below), whose sum is σ = 10753962039360. Its totient is φ = 1420554110976.

The previous prime is 4281601378721. The next prime is 4281601378739. The reversal of 4281601378728 is 8278731061824.

It is a super-2 number, since 2×4281601378728² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4281601378721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4172226 + ... + 5096142.

It is an arithmetic number, because the mean of its divisors is an integer number (168030656865).

Almost surely, 2^{4281601378728} is an apocalyptic number.

It is an amenable number.

4281601378728 is an abundant number, since it is smaller than the sum of its proper divisors (6472360660632).

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

4281601378728 is a wasteful number, since it uses less digits than its factorization.

4281601378728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924826 (or 924822 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 57.

The spelling of 4281601378728 in words is "four trillion, two hundred eighty-one billion, six hundred one million, three hundred seventy-eight thousand, seven hundred twenty-eight".