40240057747 has 2 divisors, whose sum is σ = 40240057748. Its totient is φ = 40240057746.

The previous prime is 40240057709. The next prime is 40240057777. The reversal of 40240057747 is 74775004204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40240057747 - 2⁷ = 40240057619 is a prime.

It is not a weakly prime, because it can be changed into another prime (40240057777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20120028873 + 20120028874.

It is an arithmetic number, because the mean of its divisors is an integer number (20120028874).

Almost surely, 2^40240057747 is an apocalyptic number.

40240057747 is a deficient number, since it is larger than the sum of its proper divisors (1).

40240057747 is an equidigital number, since it uses as much as digits as its factorization.

40240057747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 219520, while the sum is 40.

The spelling of 40240057747 in words is "forty billion, two hundred forty million, fifty-seven thousand, seven hundred forty-seven".