40208018326 has 16 divisors (see below), whose sum is σ = 70790952096. Its totient is φ = 16766277696.

The previous prime is 40208018321. The next prime is 40208018327. The reversal of 40208018326 is 62381080204.

It is a junction number, because it is equal to n+sod(n) for n = 40208018291 and 40208018300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40208018321) by changing a digit.

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, 38810311 + ... + 38811346.

It is an arithmetic number, because the mean of its divisors is an integer number (4424434506).

Almost surely, 2^40208018326 is an apocalyptic number.

40208018326 is a deficient number, since it is larger than the sum of its proper divisors (30582933770).

40208018326 is a wasteful number, since it uses less digits than its factorization.

40208018326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77621703.

The product of its (nonzero) digits is 18432, while the sum is 34.

The spelling of 40208018326 in words is "forty billion, two hundred eight million, eighteen thousand, three hundred twenty-six".