428250450 has 24 divisors (see below), whose sum is σ = 1062061488. Its totient is φ = 114200080.

The previous prime is 428250437. The next prime is 428250509. The reversal of 428250450 is 54052824.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1427352 + ... + 1427651.

It is an arithmetic number, because the mean of its divisors is an integer number (44252562).

Almost surely, 2^428250450 is an apocalyptic number.

428250450 is an abundant number, since it is smaller than the sum of its proper divisors (633811038).

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

428250450 is a wasteful number, since it uses less digits than its factorization.

428250450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2855018 (or 2855013 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 428250450 is about 20694.2129591826. The cubic root of 428250450 is about 753.7591711410.

The spelling of 428250450 in words is "four hundred twenty-eight million, two hundred fifty thousand, four hundred fifty".