40660200026 has 4 divisors (see below), whose sum is σ = 60990300042. Its totient is φ = 20330100012.

The previous prime is 40660200001. The next prime is 40660200029. The reversal of 40660200026 is 62000206604.

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

It can be written as a sum of positive squares in only one way, i.e., 39204396001 + 1455804025 = 198001^2 + 38155^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40660199968 and 40660200004.

It is not an unprimeable number, because it can be changed into a prime (40660200029) 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 as a sum of consecutive naturals, namely, 10165050005 + ... + 10165050008.

Almost surely, 2^40660200026 is an apocalyptic number.

40660200026 is a deficient number, since it is larger than the sum of its proper divisors (20330100016).

40660200026 is a wasteful number, since it uses less digits than its factorization.

40660200026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20330100015.

The product of its (nonzero) digits is 3456, while the sum is 26.

The spelling of 40660200026 in words is "forty billion, six hundred sixty million, two hundred thousand, twenty-six".