99999940226 has 16 divisors (see below), whose sum is σ = 152404247520. Its totient is φ = 49203850080.

The previous prime is 99999940189. The next prime is 99999940303. The reversal of 99999940226 is 62204999999.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1293716 + ... + 1368831.

It is an arithmetic number, because the mean of its divisors is an integer number (9525265470).

Almost surely, 2^99999940226 is an apocalyptic number.

99999940226 is a deficient number, since it is larger than the sum of its proper divisors (52404307294).

99999940226 is a wasteful number, since it uses less digits than its factorization.

99999940226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2662849.

The product of its (nonzero) digits is 51018336, while the sum is 68.

The spelling of 99999940226 in words is "ninety-nine billion, nine hundred ninety-nine million, nine hundred forty thousand, two hundred twenty-six".