30636680438 has 32 divisors (see below), whose sum is σ = 56581326144. Its totient is φ = 12115441152.

The previous prime is 30636680401. The next prime is 30636680471. The reversal of 30636680438 is 83408663603.

It is a super-3 number, since 3×30636680438³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30636680392 and 30636680401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475106 + ... + 535722.

It is an arithmetic number, because the mean of its divisors is an integer number (1768166442).

Almost surely, 2^30636680438 is an apocalyptic number.

30636680438 is a deficient number, since it is larger than the sum of its proper divisors (25944645706).

30636680438 is a wasteful number, since it uses less digits than its factorization.

30636680438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63416.

The product of its (nonzero) digits is 1492992, while the sum is 47.

The spelling of 30636680438 in words is "thirty billion, six hundred thirty-six million, six hundred eighty thousand, four hundred thirty-eight".