40985419687507 has 2 divisors, whose sum is σ = 40985419687508. Its totient is φ = 40985419687506.

The previous prime is 40985419687489. The next prime is 40985419687519. The reversal of 40985419687507 is 70578691458904.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40985419687507 - 2³¹ = 40983272203859 is a prime.

It is a super-2 number, since 2×40985419687507² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40985419687507.

It is not a weakly prime, because it can be changed into another prime (40985419607507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20492709843753 + 20492709843754.

It is an arithmetic number, because the mean of its divisors is an integer number (20492709843754).

Almost surely, 2^{40985419687507} is an apocalyptic number.

40985419687507 is a deficient number, since it is larger than the sum of its proper divisors (1).

40985419687507 is an equidigital number, since it uses as much as digits as its factorization.

40985419687507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 609638400, while the sum is 73.

The spelling of 40985419687507 in words is "forty trillion, nine hundred eighty-five billion, four hundred nineteen million, six hundred eighty-seven thousand, five hundred seven".