40188005259 has 8 divisors (see below), whose sum is σ = 53596907520. Its totient is φ = 26785553256.

The previous prime is 40188005257. The next prime is 40188005281. The reversal of 40188005259 is 95250088104.

It is a happy number.

40188005259 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 40188005259 - 2¹ = 40188005257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40188005259.

It is not an unprimeable number, because it can be changed into a prime (40188005257) 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, 1598007 + ... + 1622960.

It is an arithmetic number, because the mean of its divisors is an integer number (6699613440).

Almost surely, 2^40188005259 is an apocalyptic number.

40188005259 is a deficient number, since it is larger than the sum of its proper divisors (13408902261).

40188005259 is a wasteful number, since it uses less digits than its factorization.

40188005259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3225129.

The product of its (nonzero) digits is 115200, while the sum is 42.

The spelling of 40188005259 in words is "forty billion, one hundred eighty-eight million, five thousand, two hundred fifty-nine".