4380921360840 has 128 divisors (see below), whose sum is σ = 13925467797120. Its totient is φ = 1098766848000.

The previous prime is 4380921360821. The next prime is 4380921360863. The reversal of 4380921360840 is 480631290834.

It is a self number, because there is not a number n which added to its sum of digits gives 4380921360840.

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, 2220030 + ... + 3700050.

It is an arithmetic number, because the mean of its divisors is an integer number (108792717165).

Almost surely, 2^{4380921360840} is an apocalyptic number.

4380921360840 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 4380921360840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6962733898560).

4380921360840 is an abundant number, since it is smaller than the sum of its proper divisors (9544546436280).

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

4380921360840 is a wasteful number, since it uses less digits than its factorization.

4380921360840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481503 (or 1481499 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 48.

The spelling of 4380921360840 in words is "four trillion, three hundred eighty billion, nine hundred twenty-one million, three hundred sixty thousand, eight hundred forty".