346163431440 has 80 divisors (see below), whose sum is σ = 1073672548416. Its totient is φ = 92261568000.

The previous prime is 346163431403. The next prime is 346163431441. The reversal of 346163431440 is 44134361643.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (346163431441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76875 + ... + 835605.

Almost surely, 2^346163431440 is an apocalyptic number.

346163431440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

346163431440 is an abundant number, since it is smaller than the sum of its proper divisors (727509116976).

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

346163431440 is a wasteful number, since it uses less digits than its factorization.

346163431440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760648 (or 760642 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 39.

The spelling of 346163431440 in words is "three hundred forty-six billion, one hundred sixty-three million, four hundred thirty-one thousand, four hundred forty".