3881729488 has 80 divisors (see below), whose sum is σ = 9743681920. Its totient is φ = 1454796288.

The previous prime is 3881729477. The next prime is 3881729491. The reversal of 3881729488 is 8849271883.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42495 + ... + 97822.

It is an arithmetic number, because the mean of its divisors is an integer number (121796024).

Almost surely, 2^3881729488 is an apocalyptic number.

3881729488 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3881729488 is an abundant number, since it is smaller than the sum of its proper divisors (5861952432).

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

3881729488 is a wasteful number, since it uses less digits than its factorization.

3881729488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140364 (or 140358 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 58.

The square root of 3881729488 is about 62303.5270911688. The cubic root of 3881729488 is about 1571.5990426571.

The spelling of 3881729488 in words is "three billion, eight hundred eighty-one million, seven hundred twenty-nine thousand, four hundred eighty-eight".