426215155 has 8 divisors (see below), whose sum is σ = 511711200. Its totient is φ = 340803456.

The previous prime is 426215137. The next prime is 426215159. The reversal of 426215155 is 551512624.

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 426215155 - 2⁵ = 426215123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (426215159) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9375 + ... + 30664.

It is an arithmetic number, because the mean of its divisors is an integer number (63963900).

Almost surely, 2^426215155 is an apocalyptic number.

426215155 is a deficient number, since it is larger than the sum of its proper divisors (85496045).

426215155 is a wasteful number, since it uses less digits than its factorization.

426215155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42173.

The product of its digits is 12000, while the sum is 31.

The square root of 426215155 is about 20644.9789295121. The cubic root of 426215155 is about 752.5631739106.

Adding to 426215155 its reverse (551512624), we get a palindrome (977727779).

The spelling of 426215155 in words is "four hundred twenty-six million, two hundred fifteen thousand, one hundred fifty-five".