426944745 has 48 divisors (see below), whose sum is σ = 778108032. Its totient is φ = 216142080.

The previous prime is 426944743. The next prime is 426944747. The reversal of 426944745 is 547449624.

It is an interprime number because it is at equal distance from previous prime (426944743) and next prime (426944747).

It is not a de Polignac number, because 426944745 - 2¹ = 426944743 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 426944745.

It is not an unprimeable number, because it can be changed into a prime (426944743) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 140290 + ... + 143300.

It is an arithmetic number, because the mean of its divisors is an integer number (16210584).

Almost surely, 2^426944745 is an apocalyptic number.

426944745 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

426944745 is a deficient number, since it is larger than the sum of its proper divisors (351163287).

426944745 is a wasteful number, since it uses less digits than its factorization.

426944745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3182 (or 3179 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The square root of 426944745 is about 20662.6412880832. The cubic root of 426944745 is about 752.9923386680.

The spelling of 426944745 in words is "four hundred twenty-six million, nine hundred forty-four thousand, seven hundred forty-five".