40070087318 has 4 divisors (see below), whose sum is σ = 60105130980. Its totient is φ = 20035043658.

The previous prime is 40070087287. The next prime is 40070087329. The reversal of 40070087318 is 81378007004.

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

It is a super-2 number, since 2×40070087318² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10017521828 + ... + 10017521831.

It is an arithmetic number, because the mean of its divisors is an integer number (15026282745).

Almost surely, 2^40070087318 is an apocalyptic number.

40070087318 is a deficient number, since it is larger than the sum of its proper divisors (20035043662).

40070087318 is a wasteful number, since it uses less digits than its factorization.

40070087318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20035043661.

The product of its (nonzero) digits is 37632, while the sum is 38.

The spelling of 40070087318 in words is "forty billion, seventy million, eighty-seven thousand, three hundred eighteen".