3840149261 has 32 divisors (see below), whose sum is σ = 4623091200. Its totient is φ = 3151180800.

The previous prime is 3840149251. The next prime is 3840149267. The reversal of 3840149261 is 1629410483.

3840149261 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3840149261 - 2⁶ = 3840149197 is a prime.

It is a super-2 number, since 2×3840149261² = 29493492693517692242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3840149267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1632236 + ... + 1634586.

It is an arithmetic number, because the mean of its divisors is an integer number (144471600).

Almost surely, 2^3840149261 is an apocalyptic number.

It is an amenable number.

3840149261 is a deficient number, since it is larger than the sum of its proper divisors (782941939).

3840149261 is a wasteful number, since it uses less digits than its factorization.

3840149261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2789.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 3840149261 is about 61968.9378721307. The cubic root of 3840149261 is about 1565.9673456859.

The spelling of 3840149261 in words is "three billion, eight hundred forty million, one hundred forty-nine thousand, two hundred sixty-one".