3805086720 has 176 divisors, whose sum is σ = 12243483648. Its totient is φ = 1008599040.

The previous prime is 3805086709. The next prime is 3805086749. The reversal of 3805086720 is 276805083.

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, 2933112 + ... + 2934408.

It is an arithmetic number, because the mean of its divisors is an integer number (69565248).

Almost surely, 2^3805086720 is an apocalyptic number.

3805086720 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 3805086720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6121741824).

3805086720 is an abundant number, since it is smaller than the sum of its proper divisors (8438396928).

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

3805086720 is a wasteful number, since it uses less digits than its factorization.

3805086720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516 (or 1498 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 3805086720 is about 61685.3849789397. The cubic root of 3805086720 is about 1561.1867366972.

The spelling of 3805086720 in words is "three billion, eight hundred five million, eighty-six thousand, seven hundred twenty".