428151744 has 70 divisors (see below), whose sum is σ = 1269191264. Its totient is φ = 142715520.

The previous prime is 428151743. The next prime is 428151767. The reversal of 428151744 is 447151824.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 428151699 and 428151708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428151743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 36112 + ... + 46479.

Almost surely, 2^428151744 is an apocalyptic number.

It is an amenable number.

428151744 is an abundant number, since it is smaller than the sum of its proper divisors (841039520).

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

428151744 is an equidigital number, since it uses as much as digits as its factorization.

428151744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82615 (or 82596 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 428151744 is about 20691.8279521167. The cubic root of 428151744 is about 753.7012562227.

The spelling of 428151744 in words is "four hundred twenty-eight million, one hundred fifty-one thousand, seven hundred forty-four".