4020831249424 has 160 divisors (see below), whose sum is σ = 8863882675200. Its totient is φ = 1750809600000.

The previous prime is 4020831249377. The next prime is 4020831249469. The reversal of 4020831249424 is 4249421380204.

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, 264538177 + ... + 264553375.

It is an arithmetic number, because the mean of its divisors is an integer number (55399266720).

Almost surely, 2^{4020831249424} is an apocalyptic number.

4020831249424 is a gapful number since it is divisible by the number (44) 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 4020831249424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4431941337600).

4020831249424 is an abundant number, since it is smaller than the sum of its proper divisors (4843051425776).

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

4020831249424 is a wasteful number, since it uses less digits than its factorization.

4020831249424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15921 (or 15915 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 43.

The spelling of 4020831249424 in words is "four trillion, twenty billion, eight hundred thirty-one million, two hundred forty-nine thousand, four hundred twenty-four".