40000321266 has 16 divisors (see below), whose sum is σ = 80008211424. Its totient is φ = 13332178944.

The previous prime is 40000321253. The next prime is 40000321301. The reversal of 40000321266 is 66212300004.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 245476 + ... + 374511.

It is an arithmetic number, because the mean of its divisors is an integer number (5000513214).

Almost surely, 2^40000321266 is an apocalyptic number.

40000321266 is an abundant number, since it is smaller than the sum of its proper divisors (40007890158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40000321266 is a wasteful number, since it uses less digits than its factorization.

40000321266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630745.

The product of its (nonzero) digits is 1728, while the sum is 24.

The spelling of 40000321266 in words is "forty billion, three hundred twenty-one thousand, two hundred sixty-six".