40578516807 has 8 divisors (see below), whose sum is σ = 54991651440. Its totient is φ = 26608863360.

The previous prime is 40578516787. The next prime is 40578516817. The reversal of 40578516807 is 70861587504.

It is a happy number.

40578516807 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 40578516807 - 2¹¹ = 40578514759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40578516807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40578516817) 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, 110870082 + ... + 110870447.

It is an arithmetic number, because the mean of its divisors is an integer number (6873956430).

Almost surely, 2^40578516807 is an apocalyptic number.

40578516807 is a deficient number, since it is larger than the sum of its proper divisors (14413134633).

40578516807 is a wasteful number, since it uses less digits than its factorization.

40578516807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221740593.

The product of its (nonzero) digits is 1881600, while the sum is 51.

The spelling of 40578516807 in words is "forty billion, five hundred seventy-eight million, five hundred sixteen thousand, eight hundred seven".