84628140450 has 96 divisors (see below), whose sum is σ = 242750462976. Its totient is φ = 19110500160.

The previous prime is 84628140449. The next prime is 84628140479. The reversal of 84628140450 is 5404182648.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 398382 + ... + 572681.

It is an arithmetic number, because the mean of its divisors is an integer number (2528650656).

Almost surely, 2^84628140450 is an apocalyptic number.

84628140450 is an abundant number, since it is smaller than the sum of its proper divisors (158122322526).

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

84628140450 is a wasteful number, since it uses less digits than its factorization.

84628140450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971168 (or 971163 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 42.

The spelling of 84628140450 in words is "eighty-four billion, six hundred twenty-eight million, one hundred forty thousand, four hundred fifty".