99940052505772 has 48 divisors (see below), whose sum is σ = 187445850197760. Its totient is φ = 46502067978432.

The previous prime is 99940052505691. The next prime is 99940052505793. The reversal of 99940052505772 is 27750525004999.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44054379 + ... + 46267357.

It is an arithmetic number, because the mean of its divisors is an integer number (3905121879120).

Almost surely, 2^{99940052505772} is an apocalyptic number.

99940052505772 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

99940052505772 is a deficient number, since it is larger than the sum of its proper divisors (87505797691988).

99940052505772 is a wasteful number, since it uses less digits than its factorization.

99940052505772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226310 (or 2226308 counting only the distinct ones).

The product of its (nonzero) digits is 71442000, while the sum is 64.

The spelling of 99940052505772 in words is "ninety-nine trillion, nine hundred forty billion, fifty-two million, five hundred five thousand, seven hundred seventy-two".