380423670881 has 16 divisors (see below), whose sum is σ = 410883143760. Its totient is φ = 350904545280.

The previous prime is 380423670877. The next prime is 380423670931. The reversal of 380423670881 is 188076324083.

It can be written as a sum of positive squares in 8 ways, for example, as 27492624481 + 352931046400 = 165809^2 + 594080^2 .

It is not a de Polignac number, because 380423670881 - 2² = 380423670877 is a prime.

It is a super-2 number, since 2×380423670881² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380423670181) 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, 374936 + ... + 949433.

It is an arithmetic number, because the mean of its divisors is an integer number (25680196485).

Almost surely, 2^380423670881 is an apocalyptic number.

It is an amenable number.

380423670881 is a deficient number, since it is larger than the sum of its proper divisors (30459472879).

380423670881 is a wasteful number, since it uses less digits than its factorization.

380423670881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324724.

The product of its (nonzero) digits is 1548288, while the sum is 50.

The spelling of 380423670881 in words is "three hundred eighty billion, four hundred twenty-three million, six hundred seventy thousand, eight hundred eighty-one".