3833129940 has 48 divisors (see below), whose sum is σ = 10736230848. Its totient is φ = 1021837824.

The previous prime is 3833129921. The next prime is 3833129953. The reversal of 3833129940 is 499213383.

It is a junction number, because it is equal to n+sod(n) for n = 3833129892 and 3833129901.

It is a congruent number.

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, 219159 + ... + 236001.

It is an arithmetic number, because the mean of its divisors is an integer number (223671476).

Almost surely, 2^3833129940 is an apocalyptic number.

3833129940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3833129940 is an abundant number, since it is smaller than the sum of its proper divisors (6903100908).

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

3833129940 is a wasteful number, since it uses less digits than its factorization.

3833129940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20648 (or 20646 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 3833129940 is about 61912.2761655554. The cubic root of 3833129940 is about 1565.0126317850.

The spelling of 3833129940 in words is "three billion, eight hundred thirty-three million, one hundred twenty-nine thousand, nine hundred forty".