98644878146400 has 72 divisors (see below), whose sum is σ = 321089078374344. Its totient is φ = 26305300838400.

The previous prime is 98644878146369. The next prime is 98644878146407. The reversal of 98644878146400 is 464187844689.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98644878146407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20551013881 + ... + 20551018680.

It is an arithmetic number, because the mean of its divisors is an integer number (4459570532977).

Almost surely, 2^{98644878146400} is an apocalyptic number.

It is an amenable number.

98644878146400 is an abundant number, since it is smaller than the sum of its proper divisors (222444200227944).

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

98644878146400 is a wasteful number, since it uses less digits than its factorization.

98644878146400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41102032584 (or 41102032571 counting only the distinct ones).

The product of its (nonzero) digits is 297271296, while the sum is 69.

The spelling of 98644878146400 in words is "ninety-eight trillion, six hundred forty-four billion, eight hundred seventy-eight million, one hundred forty-six thousand, four hundred".