40661222026 has 8 divisors (see below), whose sum is σ = 61103337120. Its totient is φ = 20293442988.

The previous prime is 40661222011. The next prime is 40661222029. The reversal of 40661222026 is 62022216604.

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

It is not an unprimeable number, because it can be changed into a prime (40661222029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18582646 + ... + 18584833.

It is an arithmetic number, because the mean of its divisors is an integer number (7637917140).

Almost surely, 2^40661222026 is an apocalyptic number.

40661222026 is a deficient number, since it is larger than the sum of its proper divisors (20442115094).

40661222026 is a wasteful number, since it uses less digits than its factorization.

40661222026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37168028.

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 40661222026 in words is "forty billion, six hundred sixty-one million, two hundred twenty-two thousand, twenty-six".