4331615940 has 192 divisors, whose sum is σ = 13747345920. Its totient is φ = 1146244608.

The previous prime is 4331615909. The next prime is 4331615947. The reversal of 4331615940 is 495161334.

4331615940 is a `hidden beast` number, since 4 + 3 + 3 + 1 + 61 + 594 + 0 = 666.

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 = 4331615895 and 4331615904.

It is not an unprimeable number, because it can be changed into a prime (4331615947) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7304284 + ... + 7304876.

It is an arithmetic number, because the mean of its divisors is an integer number (71600760).

Almost surely, 2^4331615940 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 4331615940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6873672960).

4331615940 is an abundant number, since it is smaller than the sum of its proper divisors (9415729980).

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

4331615940 is a wasteful number, since it uses less digits than its factorization.

4331615940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790 (or 770 counting only the distinct ones).

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

The square root of 4331615940 is about 65815.0130289435. The cubic root of 4331615940 is about 1630.1090094835.

The spelling of 4331615940 in words is "four billion, three hundred thirty-one million, six hundred fifteen thousand, nine hundred forty".