4231444440 has 64 divisors (see below), whose sum is σ = 12711686400. Its totient is φ = 1126842752.

The previous prime is 4231444421. The next prime is 4231444463. The reversal of 4231444440 is 444441324.

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 = 4231444398 and 4231444407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65431 + ... + 112889.

It is an arithmetic number, because the mean of its divisors is an integer number (198620100).

Almost surely, 2^4231444440 is an apocalyptic number.

4231444440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4231444440 is an abundant number, since it is smaller than the sum of its proper divisors (8480241960).

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

4231444440 is a wasteful number, since it uses less digits than its factorization.

4231444440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48216 (or 48212 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

The square root of 4231444440 is about 65049.5537263708. The cubic root of 4231444440 is about 1617.4450963864.

Adding to 4231444440 its reverse (444441324), we get a palindrome (4675885764).

The spelling of 4231444440 in words is "four billion, two hundred thirty-one million, four hundred forty-four thousand, four hundred forty".