40537454071 has 2 divisors, whose sum is σ = 40537454072. Its totient is φ = 40537454070.

The previous prime is 40537454039. The next prime is 40537454093. The reversal of 40537454071 is 17045473504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40537454071 - 2⁵ = 40537454039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40537454011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20268727035 + 20268727036.

It is an arithmetic number, because the mean of its divisors is an integer number (20268727036).

Almost surely, 2^40537454071 is an apocalyptic number.

40537454071 is a deficient number, since it is larger than the sum of its proper divisors (1).

40537454071 is an equidigital number, since it uses as much as digits as its factorization.

40537454071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 235200, while the sum is 40.

The spelling of 40537454071 in words is "forty billion, five hundred thirty-seven million, four hundred fifty-four thousand, seventy-one".