234540382638 has 16 divisors (see below), whose sum is σ = 469444127616. Its totient is φ = 78119567160.

The previous prime is 234540382627. The next prime is 234540382663. The reversal of 234540382638 is 836283045432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15131706 + ... + 15147197.

It is an arithmetic number, because the mean of its divisors is an integer number (29340257976).

Almost surely, 2^234540382638 is an apocalyptic number.

234540382638 is an abundant number, since it is smaller than the sum of its proper divisors (234903744978).

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

234540382638 is a wasteful number, since it uses less digits than its factorization.

234540382638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30280199.

The product of its (nonzero) digits is 3317760, while the sum is 48.

The spelling of 234540382638 in words is "two hundred thirty-four billion, five hundred forty million, three hundred eighty-two thousand, six hundred thirty-eight".