30644530142 has 8 divisors (see below), whose sum is σ = 45967631376. Its totient is φ = 15321986352.

The previous prime is 30644530109. The next prime is 30644530153. The reversal of 30644530142 is 24103544603.

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

It is a super-3 number, since 3×30644530142³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30644530099 and 30644530108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48983 + ... + 252365.

It is an arithmetic number, because the mean of its divisors is an integer number (5745953922).

Almost surely, 2^30644530142 is an apocalyptic number.

30644530142 is a deficient number, since it is larger than the sum of its proper divisors (15323101234).

30644530142 is a wasteful number, since it uses less digits than its factorization.

30644530142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278722.

The product of its (nonzero) digits is 34560, while the sum is 32.

The spelling of 30644530142 in words is "thirty billion, six hundred forty-four million, five hundred thirty thousand, one hundred forty-two".