342198438440 has 16 divisors (see below), whose sum is σ = 769946486580. Its totient is φ = 136879375360.

The previous prime is 342198438403. The next prime is 342198438443. The reversal of 342198438440 is 44834891243.

It can be written as a sum of positive squares in 2 ways, for example, as 314925237124 + 27273201316 = 561182^2 + 165146^2 .

It is not an unprimeable number, because it can be changed into a prime (342198438443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4277480441 + ... + 4277480520.

Almost surely, 2^342198438440 is an apocalyptic number.

It is an amenable number.

342198438440 is an abundant number, since it is smaller than the sum of its proper divisors (427748048140).

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

342198438440 is a wasteful number, since it uses less digits than its factorization.

342198438440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8554960972 (or 8554960968 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 50.

The spelling of 342198438440 in words is "three hundred forty-two billion, one hundred ninety-eight million, four hundred thirty-eight thousand, four hundred forty".