426131438 has 8 divisors (see below), whose sum is σ = 639334080. Its totient is φ = 213020080.

The previous prime is 426131417. The next prime is 426131473. The reversal of 426131438 is 834131624.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9623 + ... + 30738.

It is an arithmetic number, because the mean of its divisors is an integer number (79916760).

Almost surely, 2^426131438 is an apocalyptic number.

426131438 is a deficient number, since it is larger than the sum of its proper divisors (213202642).

426131438 is a wasteful number, since it uses less digits than its factorization.

426131438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45642.

The product of its digits is 13824, while the sum is 32.

The square root of 426131438 is about 20642.9512909371. The cubic root of 426131438 is about 752.5138979711.

The spelling of 426131438 in words is "four hundred twenty-six million, one hundred thirty-one thousand, four hundred thirty-eight".