400340411 has 8 divisors (see below), whose sum is σ = 403653024. Its totient is φ = 397036800.

The previous prime is 400340401. The next prime is 400340443. The reversal of 400340411 is 114043004.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400340411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 400340411.

It is not an unprimeable number, because it can be changed into a prime (400340401) 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, 108875 + ... + 112491.

It is an arithmetic number, because the mean of its divisors is an integer number (50456628).

Almost surely, 2^400340411 is an apocalyptic number.

400340411 is a deficient number, since it is larger than the sum of its proper divisors (3312613).

400340411 is a wasteful number, since it uses less digits than its factorization.

400340411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4501.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 400340411 is about 20008.5084651505. The cubic root of 400340411 is about 737.0152546049.

Adding to 400340411 its reverse (114043004), we get a palindrome (514383415).

The spelling of 400340411 in words is "four hundred million, three hundred forty thousand, four hundred eleven".