3021115045440 has 224 divisors, whose sum is σ = 9799233583104. Its totient is φ = 788239513600.

The previous prime is 3021115045411. The next prime is 3021115045463. The reversal of 3021115045440 is 445405111203.

It is a super-2 number, since 2×3021115045440² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3021115045398 and 3021115045407.

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, 173748427 + ... + 173765813.

It is an arithmetic number, because the mean of its divisors is an integer number (43746578496).

Almost surely, 2^{3021115045440} is an apocalyptic number.

3021115045440 is a gapful number since it is divisible by the number (30) 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 3021115045440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4899616791552).

3021115045440 is an abundant number, since it is smaller than the sum of its proper divisors (6778118537664).

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

3021115045440 is a wasteful number, since it uses less digits than its factorization.

3021115045440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21305 (or 21295 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 3021115045440 in words is "three trillion, twenty-one billion, one hundred fifteen million, forty-five thousand, four hundred forty".