3881026400 has 72 divisors (see below), whose sum is σ = 9780249024. Its totient is φ = 1502323200.

The previous prime is 3881026399. The next prime is 3881026403. The reversal of 3881026400 is 46201883.

3881026400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3881026403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53447 + ... + 103046.

It is an arithmetic number, because the mean of its divisors is an integer number (135836792).

Almost surely, 2^3881026400 is an apocalyptic number.

It is an amenable number.

3881026400 is an abundant number, since it is smaller than the sum of its proper divisors (5899222624).

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

3881026400 is a wasteful number, since it uses less digits than its factorization.

3881026400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156544 (or 156531 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 3881026400 is about 62297.8843942553. The cubic root of 3881026400 is about 1571.5041503201.

The spelling of 3881026400 in words is "three billion, eight hundred eighty-one million, twenty-six thousand, four hundred".