426845644 has 6 divisors (see below), whose sum is σ = 746979884. Its totient is φ = 213422820.

The previous prime is 426845641. The next prime is 426845669. The reversal of 426845644 is 446548624.

It is a super-3 number, since 3×426845644³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 426845644.

It is not an unprimeable number, because it can be changed into a prime (426845641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53355702 + ... + 53355709.

Almost surely, 2^426845644 is an apocalyptic number.

It is an amenable number.

426845644 is a deficient number, since it is larger than the sum of its proper divisors (320134240).

426845644 is a wasteful number, since it uses less digits than its factorization.

426845644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106711415 (or 106711413 counting only the distinct ones).

The product of its digits is 737280, while the sum is 43.

The square root of 426845644 is about 20660.2430769824. The cubic root of 426845644 is about 752.9340734638.

The spelling of 426845644 in words is "four hundred twenty-six million, eight hundred forty-five thousand, six hundred forty-four".