400541411 has 2 divisors, whose sum is σ = 400541412. Its totient is φ = 400541410.

The previous prime is 400541329. The next prime is 400541419. The reversal of 400541411 is 114145004.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400541411 is a prime.

It is not a weakly prime, because it can be changed into another prime (400541419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200270705 + 200270706.

It is an arithmetic number, because the mean of its divisors is an integer number (200270706).

Almost surely, 2^400541411 is an apocalyptic number.

400541411 is a deficient number, since it is larger than the sum of its proper divisors (1).

400541411 is an equidigital number, since it uses as much as digits as its factorization.

400541411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 400541411 is about 20013.5306980053. The cubic root of 400541411 is about 737.1385790530.

Adding to 400541411 its reverse (114145004), we get a palindrome (514686415).

The spelling of 400541411 in words is "four hundred million, five hundred forty-one thousand, four hundred eleven".