400090400311 has 8 divisors (see below), whose sum is σ = 457255857024. Its totient is φ = 342927364920.

The previous prime is 400090400273. The next prime is 400090400321. The reversal of 400090400311 is 113004090004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 400090400311 - 2¹⁵ = 400090367543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400090400321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236245 + ... + 925198.

It is an arithmetic number, because the mean of its divisors is an integer number (57156982128).

Almost surely, 2^400090400311 is an apocalyptic number.

400090400311 is a deficient number, since it is larger than the sum of its proper divisors (57165456713).

400090400311 is a wasteful number, since it uses less digits than its factorization.

400090400311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210661.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 400090400311 its reverse (113004090004), we get a palindrome (513094490315).

The spelling of 400090400311 in words is "four hundred billion, ninety million, four hundred thousand, three hundred eleven".