46180405 has 4 divisors (see below), whose sum is σ = 55416492. Its totient is φ = 36944320.

The previous prime is 46180399. The next prime is 46180417. The reversal of 46180405 is 50408164.

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 19873764 + 26306641 = 4458^2 + 5129^2 .

It is not a de Polignac number, because 46180405 - 2³ = 46180397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4618036 + ... + 4618045.

It is an arithmetic number, because the mean of its divisors is an integer number (13854123).

Almost surely, 2^46180405 is an apocalyptic number.

It is an amenable number.

46180405 is a deficient number, since it is larger than the sum of its proper divisors (9236087).

46180405 is an equidigital number, since it uses as much as digits as its factorization.

46180405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9236086.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 46180405 is about 6795.6166018986. The cubic root of 46180405 is about 358.7725817106.

Adding to 46180405 its reverse (50408164), we get a palindrome (96588569).

The spelling of 46180405 in words is "forty-six million, one hundred eighty thousand, four hundred five".