380218884431 has 4 divisors (see below), whose sum is σ = 380288898864. Its totient is φ = 380148870000.

The previous prime is 380218884421. The next prime is 380218884449. The reversal of 380218884431 is 134488812083.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 380218884431 - 2¹⁴ = 380218868047 is a prime.

It is a super-2 number, since 2×380218884431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 380218884431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380218884401) 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, 34999070 + ... + 35009931.

It is an arithmetic number, because the mean of its divisors is an integer number (95072224716).

Almost surely, 2^380218884431 is an apocalyptic number.

380218884431 is a deficient number, since it is larger than the sum of its proper divisors (70014433).

380218884431 is an equidigital number, since it uses as much as digits as its factorization.

380218884431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70014432.

The product of its (nonzero) digits is 1179648, while the sum is 50.

The spelling of 380218884431 in words is "three hundred eighty billion, two hundred eighteen million, eight hundred eighty-four thousand, four hundred thirty-one".