99406522944 has 315 divisors, whose sum is σ = 307218032121. Its totient is φ = 31781030400.

The previous prime is 99406522937. The next prime is 99406523003. The reversal of 99406522944 is 44922560499.

The square root of 99406522944 is 315288.

It is a perfect power (a square), and thus also a powerful number.

99406522944 is a `hidden beast` number, since 9 + 9 + 406 + 5 + 229 + 4 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 52126369344 + 47280153600 = 228312^2 + 217440^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 658321269 + ... + 658321419.

Almost surely, 2^99406522944 is an apocalyptic number.

99406522944 is the 315288-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99406522944

99406522944 is an abundant number, since it is smaller than the sum of its proper divisors (207811509177).

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

99406522944 is an equidigital number, since it uses as much as digits as its factorization.

99406522944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 99406522944 in words is "ninety-nine billion, four hundred six million, five hundred twenty-two thousand, nine hundred forty-four".