3800000040 has 64 divisors (see below), whose sum is σ = 11404272960. Its totient is φ = 1012953600.

The previous prime is 3800000003. The next prime is 3800000041. The reversal of 3800000040 is 400000083.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 3799999965 and 3800000019.

It is not an unprimeable number, because it can be changed into a prime (3800000041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 482212 + ... + 490028.

It is an arithmetic number, because the mean of its divisors is an integer number (178191765).

Almost surely, 2^3800000040 is an apocalyptic number.

3800000040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3800000040 is an abundant number, since it is smaller than the sum of its proper divisors (7604272920).

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

3800000040 is a wasteful number, since it uses less digits than its factorization.

3800000040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11882 (or 11878 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 3800000040 is about 61644.1403541326. The cubic root of 3800000040 is about 1560.4907561833.

The spelling of 3800000040 in words is "three billion, eight hundred million, forty", and thus it is an aban number.