3961595419240 has 32 divisors (see below), whose sum is σ = 8953560967680. Its totient is φ = 1577532163392.

The previous prime is 3961595419217. The next prime is 3961595419241. The reversal of 3961595419240 is 429145951693.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3961595419241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222053604 + ... + 222071443.

It is an arithmetic number, because the mean of its divisors is an integer number (279798780240).

Almost surely, 2^{3961595419240} is an apocalyptic number.

It is an amenable number.

3961595419240 is an abundant number, since it is smaller than the sum of its proper divisors (4991965548440).

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

3961595419240 is a wasteful number, since it uses less digits than its factorization.

3961595419240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444125281 (or 444125277 counting only the distinct ones).

The product of its (nonzero) digits is 10497600, while the sum is 58.

The spelling of 3961595419240 in words is "three trillion, nine hundred sixty-one billion, five hundred ninety-five million, four hundred nineteen thousand, two hundred forty".