40108410662509 has 16 divisors (see below), whose sum is σ = 46923811338240. Its totient is φ = 33572134652400.

The previous prime is 40108410662443. The next prime is 40108410662561. The reversal of 40108410662509 is 90526601480104.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40108410662509 - 2¹⁷ = 40108410531437 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 (40108410662599) 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, 321509809 + ... + 321634534.

It is an arithmetic number, because the mean of its divisors is an integer number (2932738208640).

Almost surely, 2^{40108410662509} is an apocalyptic number.

It is an amenable number.

40108410662509 is a deficient number, since it is larger than the sum of its proper divisors (6815400675731).

40108410662509 is a wasteful number, since it uses less digits than its factorization.

40108410662509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643144560.

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 40108410662509 in words is "forty trillion, one hundred eight billion, four hundred ten million, six hundred sixty-two thousand, five hundred nine".