426155388 has 96 divisors (see below), whose sum is σ = 1101864960. Its totient is φ = 127595520.

The previous prime is 426155363. The next prime is 426155399. The reversal of 426155388 is 883551624.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 499170 + ... + 500022.

It is an arithmetic number, because the mean of its divisors is an integer number (11477760).

Almost surely, 2^426155388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426155388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (550932480).

426155388 is an abundant number, since it is smaller than the sum of its proper divisors (675709572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

426155388 is a wasteful number, since it uses less digits than its factorization.

426155388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987 (or 985 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 426155388 is about 20643.5313839469. The cubic root of 426155388 is about 752.5279956325.

The spelling of 426155388 in words is "four hundred twenty-six million, one hundred fifty-five thousand, three hundred eighty-eight".