4380194638 has 8 divisors (see below), whose sum is σ = 6571564632. Its totient is φ = 2189673096.

The previous prime is 4380194617. The next prime is 4380194639. The reversal of 4380194638 is 8364910834.

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

It is a super-2 number, since 2×4380194638² = 38372210133527902088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4380194639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199045 + ... + 219952.

It is an arithmetic number, because the mean of its divisors is an integer number (821445579).

Almost surely, 2^4380194638 is an apocalyptic number.

4380194638 is a deficient number, since it is larger than the sum of its proper divisors (2191369994).

4380194638 is a wasteful number, since it uses less digits than its factorization.

4380194638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424226.

The product of its (nonzero) digits is 497664, while the sum is 46.

The square root of 4380194638 is about 66183.0388997060. The cubic root of 4380194638 is about 1636.1802135575.

The spelling of 4380194638 in words is "four billion, three hundred eighty million, one hundred ninety-four thousand, six hundred thirty-eight".