4046400291 has 16 divisors (see below), whose sum is σ = 5511531168. Its totient is φ = 2639884800.

The previous prime is 4046400289. The next prime is 4046400307. The reversal of 4046400291 is 1920046404.

It is not a de Polignac number, because 4046400291 - 2¹ = 4046400289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4046400251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20070 + ... + 92171.

It is an arithmetic number, because the mean of its divisors is an integer number (344470698).

Almost surely, 2^4046400291 is an apocalyptic number.

4046400291 is a deficient number, since it is larger than the sum of its proper divisors (1465130877).

4046400291 is a wasteful number, since it uses less digits than its factorization.

4046400291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112502.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 4046400291 is about 63611.3220346818. The cubic root of 4046400291 is about 1593.5154592684.

Adding to 4046400291 its reverse (1920046404), we get a palindrome (5966446695).

The spelling of 4046400291 in words is "four billion, forty-six million, four hundred thousand, two hundred ninety-one".