1448909521950 has 48 divisors (see below), whose sum is σ = 3919958856576. Its totient is φ = 351250792800.

The previous prime is 1448909521921. The next prime is 1448909521963. The reversal of 1448909521950 is 591259098441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 439061842 + ... + 439065141.

It is an arithmetic number, because the mean of its divisors is an integer number (81665809512).

Almost surely, 2^{1448909521950} is an apocalyptic number.

1448909521950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1448909521950 is an abundant number, since it is smaller than the sum of its proper divisors (2471049334626).

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

1448909521950 is a wasteful number, since it uses less digits than its factorization.

1448909521950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878127009 (or 878127004 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 57.

The spelling of 1448909521950 in words is "one trillion, four hundred forty-eight billion, nine hundred nine million, five hundred twenty-one thousand, nine hundred fifty".