40404200051 has 2 divisors, whose sum is σ = 40404200052. Its totient is φ = 40404200050.

The previous prime is 40404200009. The next prime is 40404200063. The reversal of 40404200051 is 15000240404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40404200051 - 2³⁴ = 23224330867 is a prime.

It is a super-2 number, since 2×40404200051² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40404199996 and 40404200032.

It is not a weakly prime, because it can be changed into another prime (40404200351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20202100025 + 20202100026.

It is an arithmetic number, because the mean of its divisors is an integer number (20202100026).

Almost surely, 2^40404200051 is an apocalyptic number.

40404200051 is a deficient number, since it is larger than the sum of its proper divisors (1).

40404200051 is an equidigital number, since it uses as much as digits as its factorization.

40404200051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 40404200051 its reverse (15000240404), we get a palindrome (55404440455).

The spelling of 40404200051 in words is "forty billion, four hundred four million, two hundred thousand, fifty-one".