3960265212 has 72 divisors (see below), whose sum is σ = 10601974656. Its totient is φ = 1243829664.

The previous prime is 3960265157. The next prime is 3960265219. The reversal of 3960265212 is 2125620693.

3960265212 is a `hidden beast` number, since 39 + 602 + 6 + 5 + 2 + 12 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3960265219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19783 + ... + 91169.

It is an arithmetic number, because the mean of its divisors is an integer number (147249648).

Almost surely, 2^3960265212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3960265212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5300987328).

3960265212 is an abundant number, since it is smaller than the sum of its proper divisors (6641709444).

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

3960265212 is a wasteful number, since it uses less digits than its factorization.

3960265212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71487 (or 71482 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 3960265212 is about 62930.6381025967. The cubic root of 3960265212 is about 1582.1272969095.

The spelling of 3960265212 in words is "three billion, nine hundred sixty million, two hundred sixty-five thousand, two hundred twelve".