426111550 has 24 divisors (see below), whose sum is σ = 794871000. Its totient is φ = 169949280.

The previous prime is 426111533. The next prime is 426111551. The reversal of 426111550 is 55111624.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426111551) 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 11 ways as a sum of consecutive naturals, for example, 5241 + ... + 29659.

It is an arithmetic number, because the mean of its divisors is an integer number (33119625).

Almost surely, 2^426111550 is an apocalyptic number.

426111550 is a deficient number, since it is larger than the sum of its proper divisors (368759450).

426111550 is a wasteful number, since it uses less digits than its factorization.

426111550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24780 (or 24775 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 426111550 is about 20642.4695712504. The cubic root of 426111550 is about 752.5021909187.

The spelling of 426111550 in words is "four hundred twenty-six million, one hundred eleven thousand, five hundred fifty".