4120303440 has 160 divisors (see below), whose sum is σ = 13958428032. Its totient is φ = 997120000.

The previous prime is 4120303433. The next prime is 4120303483. The reversal of 4120303440 is 443030214.

It is a congruent number.

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, 2166490 + ... + 2168390.

Almost surely, 2^4120303440 is an apocalyptic number.

4120303440 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 4120303440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6979214016).

4120303440 is an abundant number, since it is smaller than the sum of its proper divisors (9838124592).

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

4120303440 is a wasteful number, since it uses less digits than its factorization.

4120303440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749 (or 2743 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 4120303440 is about 64189.5898101865. The cubic root of 4120303440 is about 1603.1582721379.

Adding to 4120303440 its reverse (443030214), we get a palindrome (4563333654).

The spelling of 4120303440 in words is "four billion, one hundred twenty million, three hundred three thousand, four hundred forty".