40872472705 has 8 divisors (see below), whose sum is σ = 49061764800. Its totient is φ = 32688113136.

The previous prime is 40872472679. The next prime is 40872472709. The reversal of 40872472705 is 50727427804.

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 40872472705 - 2²³ = 40864084097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40872472709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1214875 + ... + 1248064.

It is an arithmetic number, because the mean of its divisors is an integer number (6132720600).

Almost surely, 2^40872472705 is an apocalyptic number.

It is an amenable number.

40872472705 is a deficient number, since it is larger than the sum of its proper divisors (8189292095).

40872472705 is a wasteful number, since it uses less digits than its factorization.

40872472705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2466263.

The product of its (nonzero) digits is 878080, while the sum is 46.

The spelling of 40872472705 in words is "forty billion, eight hundred seventy-two million, four hundred seventy-two thousand, seven hundred five".