40457754067 has 2 divisors, whose sum is σ = 40457754068. Its totient is φ = 40457754066.

The previous prime is 40457754047. The next prime is 40457754089. The reversal of 40457754067 is 76045775404.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40457754067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40457754067.

It is not a weakly prime, because it can be changed into another prime (40457754017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20228877033 + 20228877034.

It is an arithmetic number, because the mean of its divisors is an integer number (20228877034).

Almost surely, 2^40457754067 is an apocalyptic number.

40457754067 is a deficient number, since it is larger than the sum of its proper divisors (1).

40457754067 is an equidigital number, since it uses as much as digits as its factorization.

40457754067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3292800, while the sum is 49.

The spelling of 40457754067 in words is "forty billion, four hundred fifty-seven million, seven hundred fifty-four thousand, sixty-seven".