3804155640 has 96 divisors (see below), whose sum is σ = 12425868000. Its totient is φ = 1009324800.

The previous prime is 3804155573. The next prime is 3804155653. The reversal of 3804155640 is 465514083.

It is a happy number.

3804155640 is a `hidden beast` number, since 3 + 8 + 0 + 4 + 1 + 5 + 5 + 640 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3804155595 and 3804155604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45090 + ... + 98190.

It is an arithmetic number, because the mean of its divisors is an integer number (129436125).

Almost surely, 2^3804155640 is an apocalyptic number.

3804155640 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 3804155640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6212934000).

3804155640 is an abundant number, since it is smaller than the sum of its proper divisors (8621712360).

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

3804155640 is a wasteful number, since it uses less digits than its factorization.

3804155640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53317 (or 53310 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 3804155640 is about 61677.8375107299. The cubic root of 3804155640 is about 1561.0593888922.

The spelling of 3804155640 in words is "three billion, eight hundred four million, one hundred fifty-five thousand, six hundred forty".