438049366479190 has 32 divisors (see below), whose sum is σ = 833185806612480. Its totient is φ = 165479958799584.

The previous prime is 438049366479161. The next prime is 438049366479199. The reversal of 438049366479190 is 91974663940834.

It is a super-2 number, since 2×438049366479190² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438049366479199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12054174634 + ... + 12054210973.

It is an arithmetic number, because the mean of its divisors is an integer number (26037056456640).

Almost surely, 2^{438049366479190} is an apocalyptic number.

438049366479190 is a deficient number, since it is larger than the sum of its proper divisors (395136440133290).

438049366479190 is a wasteful number, since it uses less digits than its factorization.

438049366479190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24108385716.

The product of its (nonzero) digits is 846526464, while the sum is 73.

The spelling of 438049366479190 in words is "four hundred thirty-eight trillion, forty-nine billion, three hundred sixty-six million, four hundred seventy-nine thousand, one hundred ninety".