426421055 has 8 divisors (see below), whose sum is σ = 512138544. Its totient is φ = 340848000.

The previous prime is 426421043. The next prime is 426421057. The reversal of 426421055 is 550124624.

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

It is not a de Polignac number, because 426421055 - 2⁶ = 426420991 is a prime.

It is a super-2 number, since 2×426421055² = 363669832294626050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426421057) 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, 29501 + ... + 41510.

It is an arithmetic number, because the mean of its divisors is an integer number (64017318).

Almost surely, 2^426421055 is an apocalyptic number.

426421055 is a deficient number, since it is larger than the sum of its proper divisors (85717489).

426421055 is a wasteful number, since it uses less digits than its factorization.

426421055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72217.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 426421055 is about 20649.9650120769. The cubic root of 426421055 is about 752.6843394850.

Adding to 426421055 its reverse (550124624), we get a palindrome (976545679).

The spelling of 426421055 in words is "four hundred twenty-six million, four hundred twenty-one thousand, fifty-five".