4021775254660 has 96 divisors (see below), whose sum is σ = 9001755165312. Its totient is φ = 1504062535680.

The previous prime is 4021775254639. The next prime is 4021775254667. The reversal of 4021775254660 is 664525771204.

It is not an unprimeable number, because it can be changed into a prime (4021775254667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122073790 + ... + 122106730.

It is an arithmetic number, because the mean of its divisors is an integer number (93768282972).

Almost surely, 2^{4021775254660} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4021775254660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4500877582656).

4021775254660 is an abundant number, since it is smaller than the sum of its proper divisors (4979979910652).

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

4021775254660 is a wasteful number, since it uses less digits than its factorization.

4021775254660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35333 (or 35331 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 49.

The spelling of 4021775254660 in words is "four trillion, twenty-one billion, seven hundred seventy-five million, two hundred fifty-four thousand, six hundred sixty".