40409088319 has 4 divisors (see below), whose sum is σ = 40978230480. Its totient is φ = 39839946160.

The previous prime is 40409088311. The next prime is 40409088323. The reversal of 40409088319 is 91388090404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40409088319 - 2³ = 40409088311 is a prime.

It is a super-2 number, since 2×40409088319² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40409088311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284570974 + ... + 284571115.

It is an arithmetic number, because the mean of its divisors is an integer number (10244557620).

Almost surely, 2^40409088319 is an apocalyptic number.

40409088319 is a deficient number, since it is larger than the sum of its proper divisors (569142161).

40409088319 is an equidigital number, since it uses as much as digits as its factorization.

40409088319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569142160.

The product of its (nonzero) digits is 248832, while the sum is 46.

The spelling of 40409088319 in words is "forty billion, four hundred nine million, eighty-eight thousand, three hundred nineteen".