40404787903211 has 2 divisors, whose sum is σ = 40404787903212. Its totient is φ = 40404787903210.

The previous prime is 40404787903153. The next prime is 40404787903229. The reversal of 40404787903211 is 11230978740404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40404787903211 - 2¹⁸ = 40404787641067 is a prime.

It is a super-2 number, since 2×40404787903211² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40404787903211.

It is not a weakly prime, because it can be changed into another prime (40404787903231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20202393951605 + 20202393951606.

It is an arithmetic number, because the mean of its divisors is an integer number (20202393951606).

Almost surely, 2^{40404787903211} is an apocalyptic number.

40404787903211 is a deficient number, since it is larger than the sum of its proper divisors (1).

40404787903211 is an equidigital number, since it uses as much as digits as its factorization.

40404787903211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1354752, while the sum is 50.

The spelling of 40404787903211 in words is "forty trillion, four hundred four billion, seven hundred eighty-seven million, nine hundred three thousand, two hundred eleven".