30644563342 has 8 divisors (see below), whose sum is σ = 46944863136. Its totient is φ = 14996275632.

The previous prime is 30644563333. The next prime is 30644563363. The reversal of 30644563342 is 24336544603.

It is a happy number.

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

It is a super-3 number, since 3×30644563342³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30644563295 and 30644563304.

It is a congruent number.

It is an unprimeable number.

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, 163002903 + ... + 163003090.

It is an arithmetic number, because the mean of its divisors is an integer number (5868107892).

Almost surely, 2^30644563342 is an apocalyptic number.

30644563342 is a deficient number, since it is larger than the sum of its proper divisors (16300299794).

30644563342 is a wasteful number, since it uses less digits than its factorization.

30644563342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326006042.

The product of its (nonzero) digits is 622080, while the sum is 40.

The spelling of 30644563342 in words is "thirty billion, six hundred forty-four million, five hundred sixty-three thousand, three hundred forty-two".