428265942 has 24 divisors (see below), whose sum is σ = 927489384. Its totient is φ = 131773824.

The previous prime is 428265923. The next prime is 428265949. The reversal of 428265942 is 249562824.

It is a junction number, because it is equal to n+sod(n) for n = 428265894 and 428265903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428265949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210163 + ... + 212190.

It is an arithmetic number, because the mean of its divisors is an integer number (38645391).

Almost surely, 2^428265942 is an apocalyptic number.

428265942 is an abundant number, since it is smaller than the sum of its proper divisors (499223442).

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

428265942 is a wasteful number, since it uses less digits than its factorization.

428265942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422384 (or 422371 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The square root of 428265942 is about 20694.5872633401. The cubic root of 428265942 is about 753.7682601342.

The spelling of 428265942 in words is "four hundred twenty-eight million, two hundred sixty-five thousand, nine hundred forty-two".