3835680228128 has 24 divisors (see below), whose sum is σ = 8630280513792. Its totient is φ = 1643862954816.

The previous prime is 3835680228113. The next prime is 3835680228139. The reversal of 3835680228128 is 8218220865383.

It is a super-2 number, since 2×3835680228128² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8561786000 + ... + 8561786447.

It is an arithmetic number, because the mean of its divisors is an integer number (359595021408).

Almost surely, 2^{3835680228128} is an apocalyptic number.

It is an amenable number.

3835680228128 is an abundant number, since it is smaller than the sum of its proper divisors (4794600285664).

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

3835680228128 is a wasteful number, since it uses less digits than its factorization.

3835680228128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17123572464 (or 17123572456 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 56.

The spelling of 3835680228128 in words is "three trillion, eight hundred thirty-five billion, six hundred eighty million, two hundred twenty-eight thousand, one hundred twenty-eight".