428250942 has 64 divisors (see below), whose sum is σ = 1101465600. Its totient is φ = 120800160.

The previous prime is 428250931. The next prime is 428250967. The reversal of 428250942 is 249052824.

It is a junction number, because it is equal to n+sod(n) for n = 428250897 and 428250906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22692 + ... + 37032.

It is an arithmetic number, because the mean of its divisors is an integer number (17210400).

Almost surely, 2^428250942 is an apocalyptic number.

428250942 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 428250942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (550732800).

428250942 is an abundant number, since it is smaller than the sum of its proper divisors (673214658).

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

428250942 is a wasteful number, since it uses less digits than its factorization.

428250942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14438 (or 14432 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 428250942 is about 20694.2248465605. The cubic root of 428250942 is about 753.7594597956.

The spelling of 428250942 in words is "four hundred twenty-eight million, two hundred fifty thousand, nine hundred forty-two".