426240662266 has 16 divisors (see below), whose sum is σ = 644282166528. Its totient is φ = 211485027600.

The previous prime is 426240662209. The next prime is 426240662297. The reversal of 426240662266 is 662266042624.

It is a super-2 number, since 2×426240662266² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1103950 + ... + 1439161.

It is an arithmetic number, because the mean of its divisors is an integer number (40267635408).

Almost surely, 2^426240662266 is an apocalyptic number.

426240662266 is a deficient number, since it is larger than the sum of its proper divisors (218041504262).

426240662266 is a wasteful number, since it uses less digits than its factorization.

426240662266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2543757.

The product of its (nonzero) digits is 1990656, while the sum is 46.

The spelling of 426240662266 in words is "four hundred twenty-six billion, two hundred forty million, six hundred sixty-two thousand, two hundred sixty-six".