3821189040 has 80 divisors (see below), whose sum is σ = 13161880800. Its totient is φ = 1018983168.

The previous prime is 3821189033. The next prime is 3821189041. The reversal of 3821189040 is 409811283.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×3821189040² = 29202971358832243200, which contains 22 as substring.

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 = 3821188986 and 3821189004.

It is not an unprimeable number, because it can be changed into a prime (3821189041) 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, 882375 + ... + 886694.

It is an arithmetic number, because the mean of its divisors is an integer number (164523510).

Almost surely, 2^3821189040 is an apocalyptic number.

3821189040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3821189040 is an abundant number, since it is smaller than the sum of its proper divisors (9340691760).

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

3821189040 is a wasteful number, since it uses less digits than its factorization.

3821189040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769091 (or 1769079 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 3821189040 is about 61815.7669207460. The cubic root of 3821189040 is about 1563.3858412823.

The spelling of 3821189040 in words is "three billion, eight hundred twenty-one million, one hundred eighty-nine thousand, forty".