2140030621664 has 96 divisors (see below), whose sum is σ = 4633012429920. Its totient is φ = 967063560192.

The previous prime is 2140030621637. The next prime is 2140030621733. The reversal of 2140030621664 is 4661260300412.

It is a super-2 number, since 2×2140030621664² (a number of 25 digits) contains 22 as substring.

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, 3903227 + ... + 4417605.

It is an arithmetic number, because the mean of its divisors is an integer number (48260546145).

Almost surely, 2^{2140030621664} 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 2140030621664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2316506214960).

2140030621664 is an abundant number, since it is smaller than the sum of its proper divisors (2492981808256).

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

2140030621664 is a wasteful number, since it uses less digits than its factorization.

2140030621664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514612 (or 514604 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 2140030621664 in words is "two trillion, one hundred forty billion, thirty million, six hundred twenty-one thousand, six hundred sixty-four".