380340041977 has 12 divisors (see below), whose sum is σ = 443518150260. Its totient is φ = 325208653056.

The previous prime is 380340041959. The next prime is 380340041989. The reversal of 380340041977 is 779140043083.

It can be written as a sum of positive squares in 2 ways, for example, as 328127334976 + 52212707001 = 572824^2 + 228501^2 .

It is not a de Polignac number, because 380340041977 - 2⁷ = 380340041849 is a prime.

It is a super-2 number, since 2×380340041977² (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 (380340041677) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9469008 + ... + 9509089.

It is an arithmetic number, because the mean of its divisors is an integer number (36959845855).

Almost surely, 2^380340041977 is an apocalyptic number.

It is an amenable number.

380340041977 is a deficient number, since it is larger than the sum of its proper divisors (63178108283).

380340041977 is a wasteful number, since it uses less digits than its factorization.

380340041977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18978520 (or 18978513 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 380340041977 in words is "three hundred eighty billion, three hundred forty million, forty-one thousand, nine hundred seventy-seven".