3984561231350 has 144 divisors (see below), whose sum is σ = 8983696301280. Its totient is φ = 1309396032000.

The previous prime is 3984561231349. The next prime is 3984561231353. The reversal of 3984561231350 is 531321654893.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3984561231353) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9529175 + ... + 9938525.

It is an arithmetic number, because the mean of its divisors is an integer number (62386779870).

Almost surely, 2^{3984561231350} is an apocalyptic number.

3984561231350 is an abundant number, since it is smaller than the sum of its proper divisors (4999135069930).

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

3984561231350 is a wasteful number, since it uses less digits than its factorization.

3984561231350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409543 (or 409531 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 50.

The spelling of 3984561231350 in words is "three trillion, nine hundred eighty-four billion, five hundred sixty-one million, two hundred thirty-one thousand, three hundred fifty".