40344514154459 has 2 divisors, whose sum is σ = 40344514154460. Its totient is φ = 40344514154458.

The previous prime is 40344514154407. The next prime is 40344514154471. The reversal of 40344514154459 is 95445141544304.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40344514154459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40344514154459.

It is not a weakly prime, because it can be changed into another prime (40344514184459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20172257077229 + 20172257077230.

It is an arithmetic number, because the mean of its divisors is an integer number (20172257077230).

Almost surely, 2^{40344514154459} is an apocalyptic number.

40344514154459 is a deficient number, since it is larger than the sum of its proper divisors (1).

40344514154459 is an equidigital number, since it uses as much as digits as its factorization.

40344514154459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824000, while the sum is 53.

The spelling of 40344514154459 in words is "forty trillion, three hundred forty-four billion, five hundred fourteen million, one hundred fifty-four thousand, four hundred fifty-nine".