426746445 has 32 divisors (see below), whose sum is σ = 692883840. Its totient is φ = 224259840.

The previous prime is 426746431. The next prime is 426746447. The reversal of 426746445 is 544647624.

It is not a de Polignac number, because 426746445 - 2⁴ = 426746429 is a prime.

It is a super-2 number, since 2×426746445² = 364225056640276050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 426746397 and 426746406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426746447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 344367 + ... + 345603.

It is an arithmetic number, because the mean of its divisors is an integer number (21652620).

Almost surely, 2^426746445 is an apocalyptic number.

It is an amenable number.

426746445 is a deficient number, since it is larger than the sum of its proper divisors (266137395).

426746445 is a wasteful number, since it uses less digits than its factorization.

426746445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565.

The product of its digits is 645120, while the sum is 42.

The square root of 426746445 is about 20657.8422154880. The cubic root of 426746445 is about 752.8757416094.

The spelling of 426746445 in words is "four hundred twenty-six million, seven hundred forty-six thousand, four hundred forty-five".