4331345440 has 48 divisors (see below), whose sum is σ = 10236746520. Its totient is φ = 1731870720.

The previous prime is 4331345407. The next prime is 4331345461. The reversal of 4331345440 is 445431334.

It can be written as a sum of positive squares in 4 ways, for example, as 3711733776 + 619611664 = 60924^2 + 24892^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 774976 + ... + 780544.

Almost surely, 2^4331345440 is an apocalyptic number.

4331345440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4331345440 is an abundant number, since it is smaller than the sum of its proper divisors (5905401080).

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

4331345440 is a wasteful number, since it uses less digits than its factorization.

4331345440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10445 (or 10437 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

The square root of 4331345440 is about 65812.9579946077. The cubic root of 4331345440 is about 1630.0750765224.

Adding to 4331345440 its reverse (445431334), we get a palindrome (4776776774).

The spelling of 4331345440 in words is "four billion, three hundred thirty-one million, three hundred forty-five thousand, four hundred forty".