40687811084446 has 32 divisors (see below), whose sum is σ = 63545351740416. Its totient is φ = 19524850200000.

The previous prime is 40687811084429. The next prime is 40687811084447. The reversal of 40687811084446 is 64448011878604.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40687811084447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14676330 + ... + 17227021.

It is an arithmetic number, because the mean of its divisors is an integer number (1985792241888).

Almost surely, 2^{40687811084446} is an apocalyptic number.

40687811084446 is a deficient number, since it is larger than the sum of its proper divisors (22857540655970).

40687811084446 is a wasteful number, since it uses less digits than its factorization.

40687811084446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31903648.

The product of its (nonzero) digits is 33030144, while the sum is 61.

The spelling of 40687811084446 in words is "forty trillion, six hundred eighty-seven billion, eight hundred eleven million, eighty-four thousand, four hundred forty-six".