3438056720 has 160 divisors (see below), whose sum is σ = 9497606400. Its totient is φ = 1132443648.

The previous prime is 3438056711. The next prime is 3438056729. The reversal of 3438056720 is 276508343.

It is an interprime number because it is at equal distance from previous prime (3438056711) and next prime (3438056729).

It is not an unprimeable number, because it can be changed into a prime (3438056729) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4368167 + ... + 4368953.

It is an arithmetic number, because the mean of its divisors is an integer number (59360040).

Almost surely, 2^3438056720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3438056720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4748803200).

3438056720 is an abundant number, since it is smaller than the sum of its proper divisors (6059549680).

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

3438056720 is a wasteful number, since it uses less digits than its factorization.

3438056720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105 (or 1099 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 3438056720 is about 58634.9445296915. The cubic root of 3438056720 is about 1509.2841540626.

The spelling of 3438056720 in words is "three billion, four hundred thirty-eight million, fifty-six thousand, seven hundred twenty".