3850020664672 has 96 divisors (see below), whose sum is σ = 9332782550784. Its totient is φ = 1522450598400.

The previous prime is 3850020664669. The next prime is 3850020664717. The reversal of 3850020664672 is 2764660200583.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6746647 + ... + 7295017.

It is an arithmetic number, because the mean of its divisors is an integer number (97216484904).

Almost surely, 2^{3850020664672} is an apocalyptic number.

3850020664672 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3850020664672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4666391275392).

3850020664672 is an abundant number, since it is smaller than the sum of its proper divisors (5482761886112).

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

3850020664672 is a wasteful number, since it uses less digits than its factorization.

3850020664672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550812 (or 550804 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 49.

The spelling of 3850020664672 in words is "three trillion, eight hundred fifty billion, twenty million, six hundred sixty-four thousand, six hundred seventy-two".