3835278720 has 768 divisors, whose sum is σ = 16966010880. Its totient is φ = 806215680.

The previous prime is 3835278709. The next prime is 3835278737. The reversal of 3835278720 is 278725383.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14152185 + ... + 14152455.

It is an arithmetic number, because the mean of its divisors is an integer number (22091160).

Almost surely, 2^3835278720 is an apocalyptic number.

3835278720 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 3835278720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8483005440).

3835278720 is an abundant number, since it is smaller than the sum of its proper divisors (13130732160).

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

3835278720 is a wasteful number, since it uses less digits than its factorization.

3835278720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 3835278720 is about 61929.6271585741. The cubic root of 3835278720 is about 1565.3050159640.

The spelling of 3835278720 in words is "three billion, eight hundred thirty-five million, two hundred seventy-eight thousand, seven hundred twenty".