426440033 has 8 divisors (see below), whose sum is σ = 449570688. Its totient is φ = 403691904.

The previous prime is 426439997. The next prime is 426440093. The reversal of 426440033 is 330044624.

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

It is a cyclic number.

It is not a de Polignac number, because 426440033 - 2⁶ = 426439969 is a prime.

It is a super-2 number, since 2×426440033² = 363702203490082178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 426439984 and 426440011.

It is not an unprimeable number, because it can be changed into a prime (426440093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93341 + ... + 97802.

It is an arithmetic number, because the mean of its divisors is an integer number (56196336).

Almost surely, 2^426440033 is an apocalyptic number.

It is an amenable number.

426440033 is a deficient number, since it is larger than the sum of its proper divisors (23130655).

426440033 is a wasteful number, since it uses less digits than its factorization.

426440033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191263.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 426440033 is about 20650.4245234814. The cubic root of 426440033 is about 752.6955054686.

Adding to 426440033 its reverse (330044624), we get a palindrome (756484657).

The spelling of 426440033 in words is "four hundred twenty-six million, four hundred forty thousand, thirty-three".