4076646621000 has 128 divisors (see below), whose sum is σ = 12735306380160. Its totient is φ = 1085723808000.

The previous prime is 4076646620989. The next prime is 4076646621001. The reversal of 4076646621000 is 1266466704.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4076646621001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1497670 + ... + 3224330.

It is an arithmetic number, because the mean of its divisors is an integer number (99494581095).

Almost surely, 2^{4076646621000} is an apocalyptic number.

4076646621000 is a gapful number since it is divisible by the number (40) 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 4076646621000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6367653190080).

4076646621000 is an abundant number, since it is smaller than the sum of its proper divisors (8658659759160).

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

4076646621000 is a wasteful number, since it uses less digits than its factorization.

4076646621000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727472 (or 1727458 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 4076646621000 in words is "four trillion, seventy-six billion, six hundred forty-six million, six hundred twenty-one thousand".