4644422076140 has 96 divisors (see below), whose sum is σ = 12165996261888. Its totient is φ = 1446891264000.

The previous prime is 4644422076139. The next prime is 4644422076193. The reversal of 4644422076140 is 416702244464.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 4644422076091 and 4644422076100.

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, 2347100 + ... + 3846780.

It is an arithmetic number, because the mean of its divisors is an integer number (126729127728).

Almost surely, 2^{4644422076140} 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 4644422076140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6082998130944).

4644422076140 is an abundant number, since it is smaller than the sum of its proper divisors (7521574185748).

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

4644422076140 is a wasteful number, since it uses less digits than its factorization.

4644422076140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501719 (or 1501717 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 44.

The spelling of 4644422076140 in words is "four trillion, six hundred forty-four billion, four hundred twenty-two million, seventy-six thousand, one hundred forty".