3835894069920 has 192 divisors, whose sum is σ = 13754637195264. Its totient is φ = 889482654720.

The previous prime is 3835894069919. The next prime is 3835894069933. The reversal of 3835894069920 is 299604985383.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15671932 + ... + 15914811.

It is an arithmetic number, because the mean of its divisors is an integer number (71638735392).

Almost surely, 2^{3835894069920} is an apocalyptic number.

3835894069920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3835894069920 is an abundant number, since it is smaller than the sum of its proper divisors (9918743125344).

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

3835894069920 is a wasteful number, since it uses less digits than its factorization.

3835894069920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31586795 (or 31586787 counting only the distinct ones).

The product of its (nonzero) digits is 100776960, while the sum is 66.

The spelling of 3835894069920 in words is "three trillion, eight hundred thirty-five billion, eight hundred ninety-four million, sixty-nine thousand, nine hundred twenty".