4448354505990 has 16 divisors (see below), whose sum is σ = 10676050814448. Its totient is φ = 1186227868256.

The previous prime is 4448354505971. The next prime is 4448354506009. The reversal of 4448354505990 is 995054538444.

It is an interprime number because it is at equal distance from previous prime (4448354505971) and next prime (4448354506009).

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, 74139241737 + ... + 74139241796.

It is an arithmetic number, because the mean of its divisors is an integer number (667253175903).

Almost surely, 2^{4448354505990} is an apocalyptic number.

4448354505990 is an abundant number, since it is smaller than the sum of its proper divisors (6227696308458).

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

4448354505990 is a wasteful number, since it uses less digits than its factorization.

4448354505990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148278483543.

The product of its (nonzero) digits is 62208000, while the sum is 60.

The spelling of 4448354505990 in words is "four trillion, four hundred forty-eight billion, three hundred fifty-four million, five hundred five thousand, nine hundred ninety".