99814219540 has 48 divisors (see below), whose sum is σ = 239607067392. Its totient is φ = 34214455296.

The previous prime is 99814219537. The next prime is 99814219619. The reversal of 99814219540 is 4591241899.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 576372 + ... + 729268.

It is an arithmetic number, because the mean of its divisors is an integer number (4991813904).

Almost surely, 2^99814219540 is an apocalyptic number.

It is an amenable number.

99814219540 is an abundant number, since it is smaller than the sum of its proper divisors (139792847852).

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

99814219540 is a wasteful number, since it uses less digits than its factorization.

99814219540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157576 (or 157574 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 52.

The spelling of 99814219540 in words is "ninety-nine billion, eight hundred fourteen million, two hundred nineteen thousand, five hundred forty".