30638238232 has 48 divisors (see below), whose sum is σ = 66841335000. Its totient is φ = 13127611392.

The previous prime is 30638238209. The next prime is 30638238233. The reversal of 30638238232 is 23283283603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30638238233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2698744 + ... + 2710072.

Almost surely, 2^30638238232 is an apocalyptic number.

It is an amenable number.

30638238232 is an abundant number, since it is smaller than the sum of its proper divisors (36203096768).

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

30638238232 is a wasteful number, since it uses less digits than its factorization.

30638238232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18248 (or 18237 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 30638238232 in words is "thirty billion, six hundred thirty-eight million, two hundred thirty-eight thousand, two hundred thirty-two".