400442606266 has 8 divisors (see below), whose sum is σ = 601058309184. Its totient is φ = 200089836540.

The previous prime is 400442606251. The next prime is 400442606273. The reversal of 400442606266 is 662606244004.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65729490 + ... + 65735581.

It is an arithmetic number, because the mean of its divisors is an integer number (75132288648).

Almost surely, 2^400442606266 is an apocalyptic number.

400442606266 is a deficient number, since it is larger than the sum of its proper divisors (200615702918).

400442606266 is a wasteful number, since it uses less digits than its factorization.

400442606266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131466596.

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 400442606266 in words is "four hundred billion, four hundred forty-two million, six hundred six thousand, two hundred sixty-six".