40457754047 has 2 divisors, whose sum is σ = 40457754048. Its totient is φ = 40457754046.

The previous prime is 40457754031. The next prime is 40457754067. The reversal of 40457754047 is 74045775404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40457754047 - 2⁴ = 40457754031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40457753992 and 40457754010.

It is a congruent number.

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, 20228877023 + 20228877024.

It is an arithmetic number, because the mean of its divisors is an integer number (20228877024).

Almost surely, 2^40457754047 is an apocalyptic number.

40457754047 is a deficient number, since it is larger than the sum of its proper divisors (1).

40457754047 is an equidigital number, since it uses as much as digits as its factorization.

40457754047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2195200, while the sum is 47.

The spelling of 40457754047 in words is "forty billion, four hundred fifty-seven million, seven hundred fifty-four thousand, forty-seven".