40105506182465 has 8 divisors (see below), whose sum is σ = 48126694855848. Its totient is φ = 32084346654720.

The previous prime is 40105506182411. The next prime is 40105506182491. The reversal of 40105506182465 is 56428160550104.

It can be written as a sum of positive squares in 4 ways, for example, as 11334372622336 + 28771133560129 = 3366656^2 + 5363873^2 .

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

It is not a de Polignac number, because 40105506182465 - 2⁴⁰ = 39005994554689 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4135232 + ... + 9864641.

It is an arithmetic number, because the mean of its divisors is an integer number (6015836856981).

Almost surely, 2^{40105506182465} is an apocalyptic number.

It is an amenable number.

40105506182465 is a deficient number, since it is larger than the sum of its proper divisors (8021188673383).

40105506182465 is a wasteful number, since it uses less digits than its factorization.

40105506182465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14572819.

The product of its (nonzero) digits is 1152000, while the sum is 47.

The spelling of 40105506182465 in words is "forty trillion, one hundred five billion, five hundred six million, one hundred eighty-two thousand, four hundred sixty-five".