40336421842 has 16 divisors (see below), whose sum is σ = 62622212760. Its totient is φ = 19463044608.

The previous prime is 40336421821. The next prime is 40336421863. The reversal of 40336421842 is 24812463304.

It is an interprime number because it is at equal distance from previous prime (40336421821) and next prime (40336421863).

It can be written as a sum of positive squares in 4 ways, for example, as 37721019961 + 2615401881 = 194219^2 + 51141^2 .

It is a super-3 number, since 3×40336421842³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55413 + ... + 289384.

Almost surely, 2^40336421842 is an apocalyptic number.

40336421842 is a deficient number, since it is larger than the sum of its proper divisors (22285790918).

40336421842 is a wasteful number, since it uses less digits than its factorization.

40336421842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346845.

The product of its (nonzero) digits is 110592, while the sum is 37.

The spelling of 40336421842 in words is "forty billion, three hundred thirty-six million, four hundred twenty-one thousand, eight hundred forty-two".