4238612004438 has 128 divisors (see below), whose sum is σ = 11143467786240. Its totient is φ = 1168645294080.

The previous prime is 4238612004401. The next prime is 4238612004457. The reversal of 4238612004438 is 8344002168324.

It is a happy number.

4238612004438 is a `hidden beast` number, since 4 + 2 + 3 + 8 + 6 + 1 + 200 + 4 + 438 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 4238612004393 and 4238612004402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3624106 + ... + 4648802.

It is an arithmetic number, because the mean of its divisors is an integer number (87058342080).

Almost surely, 2^{4238612004438} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4238612004438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5571733893120).

4238612004438 is an abundant number, since it is smaller than the sum of its proper divisors (6904855781802).

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

4238612004438 is a wasteful number, since it uses less digits than its factorization.

4238612004438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025099 (or 1025093 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 45.

The spelling of 4238612004438 in words is "four trillion, two hundred thirty-eight billion, six hundred twelve million, four thousand, four hundred thirty-eight".