99863019346040 has 128 divisors (see below), whose sum is σ = 236037853163520. Its totient is φ = 37977511219200.

The previous prime is 99863019346021. The next prime is 99863019346063. The reversal of 99863019346040 is 4064391036899.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22911272 + ... + 26919368.

It is an arithmetic number, because the mean of its divisors is an integer number (1844045727840).

Almost surely, 2^{99863019346040} 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 99863019346040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118018926581760).

99863019346040 is an abundant number, since it is smaller than the sum of its proper divisors (136174833817480).

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

99863019346040 is a wasteful number, since it uses less digits than its factorization.

99863019346040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4008493 (or 4008489 counting only the distinct ones).

The product of its (nonzero) digits is 30233088, while the sum is 62.

The spelling of 99863019346040 in words is "ninety-nine trillion, eight hundred sixty-three billion, nineteen million, three hundred forty-six thousand, forty".