1448194349640 has 64 divisors (see below), whose sum is σ = 4600146764160. Its totient is φ = 363468385280.

The previous prime is 1448194349621. The next prime is 1448194349647. The reversal of 1448194349640 is 469434918441.

It is not an unprimeable number, because it can be changed into a prime (1448194349647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354947556 + ... + 354951635.

It is an arithmetic number, because the mean of its divisors is an integer number (71877293190).

Almost surely, 2^{1448194349640} is an apocalyptic number.

1448194349640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1448194349640 is an abundant number, since it is smaller than the sum of its proper divisors (3151952414520).

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

1448194349640 is a wasteful number, since it uses less digits than its factorization.

1448194349640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709899222 (or 709899218 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 57.

The spelling of 1448194349640 in words is "one trillion, four hundred forty-eight billion, one hundred ninety-four million, three hundred forty-nine thousand, six hundred forty".