428116923600 has 60 divisors (see below), whose sum is σ = 1371401215776. Its totient is φ = 114164512640.

The previous prime is 428116923587. The next prime is 428116923607. The reversal of 428116923600 is 6329611824.

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428116923607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178380852 + ... + 178383251.

Almost surely, 2^428116923600 is an apocalyptic number.

428116923600 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

428116923600 is an abundant number, since it is smaller than the sum of its proper divisors (943284292176).

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

428116923600 is a wasteful number, since it uses less digits than its factorization.

428116923600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356764124 (or 356764113 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 428116923600 in words is "four hundred twenty-eight billion, one hundred sixteen million, nine hundred twenty-three thousand, six hundred".