3918344556 has 96 divisors (see below), whose sum is σ = 10734051328. Its totient is φ = 1089184320.

The previous prime is 3918344543. The next prime is 3918344557. The reversal of 3918344556 is 6554438193.

3918344556 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3918344557) 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, 976851 + ... + 980853.

Almost surely, 2^3918344556 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 3918344556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5367025664).

3918344556 is an abundant number, since it is smaller than the sum of its proper divisors (6815706772).

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

3918344556 is a wasteful number, since it uses less digits than its factorization.

3918344556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4331 (or 4329 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 48.

The square root of 3918344556 is about 62596.6816692387. The cubic root of 3918344556 is about 1576.5250441909.

The spelling of 3918344556 in words is "three billion, nine hundred eighteen million, three hundred forty-four thousand, five hundred fifty-six".