99725420002442 has 96 divisors (see below), whose sum is σ = 171213903446400. Its totient is φ = 43423514394624.

The previous prime is 99725420002433. The next prime is 99725420002619. The reversal of 99725420002442 is 24420002452799.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10260867659 + ... + 10260877377.

It is an arithmetic number, because the mean of its divisors is an integer number (1783478160900).

Almost surely, 2^{99725420002442} is an apocalyptic number.

99725420002442 is a deficient number, since it is larger than the sum of its proper divisors (71488483443958).

99725420002442 is a wasteful number, since it uses less digits than its factorization.

99725420002442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16240 (or 16227 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 99725420002442 in words is "ninety-nine trillion, seven hundred twenty-five billion, four hundred twenty million, two thousand, four hundred forty-two".