393441736242 has 16 divisors (see below), whose sum is σ = 787948276320. Its totient is φ = 130969778112.

The previous prime is 393441736213. The next prime is 393441736249. The reversal of 393441736242 is 242637144393.

It is a junction number, because it is equal to n+sod(n) for n = 393441736191 and 393441736200.

It is not an unprimeable number, because it can be changed into a prime (393441736249) 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, 44362023 + ... + 44370890.

It is an arithmetic number, because the mean of its divisors is an integer number (49246767270).

Almost surely, 2^393441736242 is an apocalyptic number.

393441736242 is an abundant number, since it is smaller than the sum of its proper divisors (394506540078).

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

393441736242 is a wasteful number, since it uses less digits than its factorization.

393441736242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88733657.

The product of its digits is 2612736, while the sum is 48.

The spelling of 393441736242 in words is "three hundred ninety-three billion, four hundred forty-one million, seven hundred thirty-six thousand, two hundred forty-two".