428159649024 has 108 divisors (see below), whose sum is σ = 1235443032096. Its totient is φ = 142609683456.

The previous prime is 428159649017. The next prime is 428159649031. The reversal of 428159649024 is 420946951824.

428159649024 is a `hidden beast` number, since 4 + 2 + 8 + 1 + 596 + 49 + 0 + 2 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (428159649017) and next prime (428159649031).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2940237 + ... + 3082419.

Almost surely, 2^428159649024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 428159649024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (617721516048).

428159649024 is an abundant number, since it is smaller than the sum of its proper divisors (807283383072).

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

428159649024 is a wasteful number, since it uses less digits than its factorization.

428159649024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143512 (or 143495 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 428159649024 in words is "four hundred twenty-eight billion, one hundred fifty-nine million, six hundred forty-nine thousand, twenty-four".