449688183950 has 24 divisors (see below), whose sum is σ = 863401316160. Its totient is φ = 174072844800.

The previous prime is 449688183859. The next prime is 449688183977. The reversal of 449688183950 is 59381886944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145059155 + ... + 145062254.

It is an arithmetic number, because the mean of its divisors is an integer number (35975054840).

Almost surely, 2^449688183950 is an apocalyptic number.

449688183950 is a deficient number, since it is larger than the sum of its proper divisors (413713132210).

449688183950 is a wasteful number, since it uses less digits than its factorization.

449688183950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290121452 (or 290121447 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 65.

The spelling of 449688183950 in words is "four hundred forty-nine billion, six hundred eighty-eight million, one hundred eighty-three thousand, nine hundred fifty".