40036400647273 has 8 divisors (see below), whose sum is σ = 40600401750720. Its totient is φ = 39472402547760.

The previous prime is 40036400647261. The next prime is 40036400647381. The reversal of 40036400647273 is 37274600463004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40036400647273 - 2⁴⁵ = 4852028558441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40036400647213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52550658 + ... + 53307076.

It is an arithmetic number, because the mean of its divisors is an integer number (5075050218840).

Almost surely, 2^{40036400647273} is an apocalyptic number.

It is an amenable number.

40036400647273 is a deficient number, since it is larger than the sum of its proper divisors (564001103447).

40036400647273 is an equidigital number, since it uses as much as digits as its factorization.

40036400647273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501967.

The product of its (nonzero) digits is 2032128, while the sum is 46.

The spelling of 40036400647273 in words is "forty trillion, thirty-six billion, four hundred million, six hundred forty-seven thousand, two hundred seventy-three".