40511041401 has 4 divisors (see below), whose sum is σ = 54014721872. Its totient is φ = 27007360932.

The previous prime is 40511041381. The next prime is 40511041411. The reversal of 40511041401 is 10414011504.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 40511041401 - 2¹¹ = 40511039353 is a prime.

It is a super-2 number, since 2×40511041401² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40511041411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6751840231 + ... + 6751840236.

It is an arithmetic number, because the mean of its divisors is an integer number (13503680468).

Almost surely, 2^40511041401 is an apocalyptic number.

It is an amenable number.

40511041401 is a deficient number, since it is larger than the sum of its proper divisors (13503680471).

40511041401 is a wasteful number, since it uses less digits than its factorization.

40511041401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13503680470.

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 40511041401 its reverse (10414011504), we get a palindrome (50925052905).

The spelling of 40511041401 in words is "forty billion, five hundred eleven million, forty-one thousand, four hundred one".