99201519440 has 40 divisors (see below), whose sum is σ = 236007343968. Its totient is φ = 38757801600.

The previous prime is 99201519401. The next prime is 99201519451. The reversal of 99201519440 is 4491510299.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 99201519391 and 99201519400.

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 7 ways as a sum of consecutive naturals, for example, 14415386 + ... + 14422265.

Almost surely, 2^99201519440 is an apocalyptic number.

It is an amenable number.

99201519440 is an abundant number, since it is smaller than the sum of its proper divisors (136805824528).

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

99201519440 is a wasteful number, since it uses less digits than its factorization.

99201519440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28837707 (or 28837701 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 99201519440 in words is "ninety-nine billion, two hundred one million, five hundred nineteen thousand, four hundred forty".