428154624 has 54 divisors (see below), whose sum is σ = 1234481976. Its totient is φ = 142717440.

The previous prime is 428154599. The next prime is 428154647. The reversal of 428154624 is 426451824.

428154624 is a `hidden beast` number, since 4 + 28 + 1 + 5 + 4 + 624 = 666.

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

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 90612 + ... + 95219.

Almost surely, 2^428154624 is an apocalyptic number.

It is an amenable number.

428154624 is an abundant number, since it is smaller than the sum of its proper divisors (806327352).

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

428154624 is a wasteful number, since it uses less digits than its factorization.

428154624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185853 (or 185836 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 428154624 is about 20691.8975446913. The cubic root of 428154624 is about 753.7029461646.

The spelling of 428154624 in words is "four hundred twenty-eight million, one hundred fifty-four thousand, six hundred twenty-four".