40635000404447 has 16 divisors (see below), whose sum is σ = 43000339200000. Its totient is φ = 38292352464960.

The previous prime is 40635000404443. The next prime is 40635000404473. The reversal of 40635000404447 is 74440400053604.

It is not a de Polignac number, because 40635000404447 - 2² = 40635000404443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40635000404443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58623068 + ... + 59312174.

It is an arithmetic number, because the mean of its divisors is an integer number (2687521200000).

Almost surely, 2^{40635000404447} is an apocalyptic number.

40635000404447 is a deficient number, since it is larger than the sum of its proper divisors (2365338795553).

40635000404447 is a wasteful number, since it uses less digits than its factorization.

40635000404447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705566.

The product of its (nonzero) digits is 645120, while the sum is 41.

The spelling of 40635000404447 in words is "forty trillion, six hundred thirty-five billion, four hundred four thousand, four hundred forty-seven".