46040405 has 4 divisors (see below), whose sum is σ = 55248492. Its totient is φ = 36832320.

The previous prime is 46040377. The next prime is 46040413. The reversal of 46040405 is 50404064.

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 4990756 + 41049649 = 2234^2 + 6407^2 .

It is not a de Polignac number, because 46040405 - 2⁶ = 46040341 is a prime.

It is a Duffinian number.

It is a Curzon 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, 4604036 + ... + 4604045.

It is an arithmetic number, because the mean of its divisors is an integer number (13812123).

Almost surely, 2^46040405 is an apocalyptic number.

It is an amenable number.

46040405 is a deficient number, since it is larger than the sum of its proper divisors (9208087).

46040405 is an equidigital number, since it uses as much as digits as its factorization.

46040405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9208086.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 46040405 is about 6785.3080254326. The cubic root of 46040405 is about 358.4096644073.

Adding to 46040405 its reverse (50404064), we get a palindrome (96444469).

The spelling of 46040405 in words is "forty-six million, forty thousand, four hundred five".