361640041 has 24 divisors (see below), whose sum is σ = 432298944. Its totient is φ = 301523040.

The previous prime is 361640039. The next prime is 361640051. The reversal of 361640041 is 140046163.

It is not a de Polignac number, because 361640041 - 2¹ = 361640039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 361639988 and 361640015.

It is not an unprimeable number, because it can be changed into a prime (361640011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 339676 + ... + 340738.

It is an arithmetic number, because the mean of its divisors is an integer number (18012456).

Almost surely, 2^361640041 is an apocalyptic number.

It is an amenable number.

361640041 is a deficient number, since it is larger than the sum of its proper divisors (70658903).

361640041 is a wasteful number, since it uses less digits than its factorization.

361640041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261 (or 1254 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 361640041 is about 19016.8357252199. The cubic root of 361640041 is about 712.4572932646.

The spelling of 361640041 in words is "three hundred sixty-one million, six hundred forty thousand, forty-one".