3877819440 has 320 divisors, whose sum is σ = 13964106240. Its totient is φ = 880312320.

The previous prime is 3877819423. The next prime is 3877819453. The reversal of 3877819440 is 449187783.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4865122 + ... + 4865918.

It is an arithmetic number, because the mean of its divisors is an integer number (43637832).

Almost surely, 2^3877819440 is an apocalyptic number.

3877819440 is a gapful number since it is divisible by the number (30) 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 3877819440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6982053120).

3877819440 is an abundant number, since it is smaller than the sum of its proper divisors (10086286800).

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

3877819440 is a wasteful number, since it uses less digits than its factorization.

3877819440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940 (or 934 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 51.

The square root of 3877819440 is about 62272.1401591434. The cubic root of 3877819440 is about 1571.0711772512.

The spelling of 3877819440 in words is "three billion, eight hundred seventy-seven million, eight hundred nineteen thousand, four hundred forty".