4931231840 has 48 divisors (see below), whose sum is σ = 11724298992. Its totient is φ = 1959919104.

The previous prime is 4931231839. The next prime is 4931231849. The reversal of 4931231840 is 481321394.

It is a self number, because there is not a number n which added to its sum of digits gives 4931231840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4931231849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73034 + ... + 123273.

It is an arithmetic number, because the mean of its divisors is an integer number (244256229).

Almost surely, 2^4931231840 is an apocalyptic number.

4931231840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4931231840 is an abundant number, since it is smaller than the sum of its proper divisors (6793067152).

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

4931231840 is a wasteful number, since it uses less digits than its factorization.

4931231840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196479 (or 196471 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 4931231840 is about 70222.7302231977. The cubic root of 4931231840 is about 1702.1002692006.

The spelling of 4931231840 in words is "four billion, nine hundred thirty-one million, two hundred thirty-one thousand, eight hundred forty".