40166450042505 has 32 divisors (see below), whose sum is σ = 66454400621568. Its totient is φ = 20695141785600.

The previous prime is 40166450042489. The next prime is 40166450042507. The reversal of 40166450042505 is 50524005466104.

It is not a de Polignac number, because 40166450042505 - 2⁴ = 40166450042489 is a prime.

It is a super-2 number, since 2×40166450042505² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40166450042507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74583916 + ... + 75120525.

It is an arithmetic number, because the mean of its divisors is an integer number (2076700019424).

Almost surely, 2^{40166450042505} is an apocalyptic number.

It is an amenable number.

40166450042505 is a deficient number, since it is larger than the sum of its proper divisors (26287950579063).

40166450042505 is a wasteful number, since it uses less digits than its factorization.

40166450042505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149705057.

The product of its (nonzero) digits is 576000, while the sum is 42.

The spelling of 40166450042505 in words is "forty trillion, one hundred sixty-six billion, four hundred fifty million, forty-two thousand, five hundred five".