40401411 has 4 divisors (see below), whose sum is σ = 53868552. Its totient is φ = 26934272.

The previous prime is 40401397. The next prime is 40401421. The reversal of 40401411 is 11410404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40401411 - 2¹¹ = 40399363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40401421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6733566 + ... + 6733571.

It is an arithmetic number, because the mean of its divisors is an integer number (13467138).

Almost surely, 2^40401411 is an apocalyptic number.

40401411 is a deficient number, since it is larger than the sum of its proper divisors (13467141).

40401411 is a wasteful number, since it uses less digits than its factorization.

40401411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13467140.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 40401411 is about 6356.2104276054. The cubic root of 40401411 is about 343.1353889841.

Adding to 40401411 its reverse (11410404), we get a palindrome (51811815).

The spelling of 40401411 in words is "forty million, four hundred one thousand, four hundred eleven".