40026434666 has 8 divisors (see below), whose sum is σ = 60040916064. Its totient is φ = 20012795980.

The previous prime is 40026434653. The next prime is 40026434713. The reversal of 40026434666 is 66643462004.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 74270 + ... + 292521.

It is an arithmetic number, because the mean of its divisors is an integer number (7505114508).

Almost surely, 2^40026434666 is an apocalyptic number.

40026434666 is a deficient number, since it is larger than the sum of its proper divisors (20014481398).

40026434666 is a wasteful number, since it uses less digits than its factorization.

40026434666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421356.

The product of its (nonzero) digits is 497664, while the sum is 41.

The spelling of 40026434666 in words is "forty billion, twenty-six million, four hundred thirty-four thousand, six hundred sixty-six".