380442663745 has 4 divisors (see below), whose sum is σ = 456531196500. Its totient is φ = 304354130992.

The previous prime is 380442663743. The next prime is 380442663773. The reversal of 380442663745 is 547366244083.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 294128336896 + 86314326849 = 542336^2 + 293793^2 .

It is a cyclic number.

It is not a de Polignac number, because 380442663745 - 2¹ = 380442663743 is a prime.

It is a super-2 number, since 2×380442663745² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 380442663692 and 380442663701.

It is not an unprimeable number, because it can be changed into a prime (380442663743) 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, 38044266370 + ... + 38044266379.

It is an arithmetic number, because the mean of its divisors is an integer number (114132799125).

Almost surely, 2^380442663745 is an apocalyptic number.

It is an amenable number.

380442663745 is a deficient number, since it is larger than the sum of its proper divisors (76088532755).

380442663745 is an equidigital number, since it uses as much as digits as its factorization.

380442663745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76088532754.

The product of its (nonzero) digits is 11612160, while the sum is 52.

The spelling of 380442663745 in words is "three hundred eighty billion, four hundred forty-two million, six hundred sixty-three thousand, seven hundred forty-five".