40544698507 has 2 divisors, whose sum is σ = 40544698508. Its totient is φ = 40544698506.

The previous prime is 40544698501. The next prime is 40544698549. The reversal of 40544698507 is 70589644504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40544698507 - 2³¹ = 38397214859 is a prime.

It is not a weakly prime, because it can be changed into another prime (40544698501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20272349253 + 20272349254.

It is an arithmetic number, because the mean of its divisors is an integer number (20272349254).

Almost surely, 2^40544698507 is an apocalyptic number.

40544698507 is a deficient number, since it is larger than the sum of its proper divisors (1).

40544698507 is an equidigital number, since it uses as much as digits as its factorization.

40544698507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4838400, while the sum is 52.

The spelling of 40544698507 in words is "forty billion, five hundred forty-four million, six hundred ninety-eight thousand, five hundred seven".