346631400642 has 8 divisors (see below), whose sum is σ = 693262801296. Its totient is φ = 115543800212.

The previous prime is 346631400641. The next prime is 346631400653. The reversal of 346631400642 is 246004136643.

It is a sphenic number, since it is the product of 3 distinct primes.

346631400642 is an admirable number.

It is a super-2 number, since 2×346631400642² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 346631400642.

It is not an unprimeable number, because it can be changed into a prime (346631400641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28885950048 + ... + 28885950059.

It is an arithmetic number, because the mean of its divisors is an integer number (86657850162).

Almost surely, 2^346631400642 is an apocalyptic number.

346631400642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

346631400642 is a wasteful number, since it uses less digits than its factorization.

346631400642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57771900112.

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

The spelling of 346631400642 in words is "three hundred forty-six billion, six hundred thirty-one million, four hundred thousand, six hundred forty-two".