380218888645 has 8 divisors (see below), whose sum is σ = 480276491040. Its totient is φ = 288165894480.

The previous prime is 380218888631. The next prime is 380218888681. The reversal of 380218888645 is 546888812083.

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

It is not a de Polignac number, because 380218888645 - 2¹³ = 380218880453 is a prime.

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, 2001151951 + ... + 2001152140.

It is an arithmetic number, because the mean of its divisors is an integer number (60034561380).

Almost surely, 2^380218888645 is an apocalyptic number.

It is an amenable number.

380218888645 is a deficient number, since it is larger than the sum of its proper divisors (100057602395).

380218888645 is a wasteful number, since it uses less digits than its factorization.

380218888645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4002304115.

The product of its (nonzero) digits is 23592960, while the sum is 61.

The spelling of 380218888645 in words is "three hundred eighty billion, two hundred eighteen million, eight hundred eighty-eight thousand, six hundred forty-five".