4130221243440 has 160 divisors (see below), whose sum is σ = 12855230730432. Its totient is φ = 1096962048000.

The previous prime is 4130221243439. The next prime is 4130221243457. The reversal of 4130221243440 is 443421220314.

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 = 4130221243398 and 4130221243407.

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, 157863960 + ... + 157890120.

Almost surely, 2^{4130221243440} is an apocalyptic number.

4130221243440 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 4130221243440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6427615365216).

4130221243440 is an abundant number, since it is smaller than the sum of its proper divisors (8725009486992).

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

4130221243440 is a wasteful number, since it uses less digits than its factorization.

4130221243440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28799 (or 28793 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 4130221243440 its reverse (443421220314), we get a palindrome (4573642463754).

The spelling of 4130221243440 in words is "four trillion, one hundred thirty billion, two hundred twenty-one million, two hundred forty-three thousand, four hundred forty".