1449565220438 has 8 divisors (see below), whose sum is σ = 2175186383688. Its totient is φ = 724503092544.

The previous prime is 1449565220359. The next prime is 1449565220473. The reversal of 1449565220438 is 8340225659441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1449565220438.

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 3 ways as a sum of consecutive naturals, for example, 139752356 + ... + 139762727.

It is an arithmetic number, because the mean of its divisors is an integer number (271898297961).

Almost surely, 2^{1449565220438} is an apocalyptic number.

1449565220438 is a deficient number, since it is larger than the sum of its proper divisors (725621163250).

1449565220438 is a wasteful number, since it uses less digits than its factorization.

1449565220438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279517678.

The product of its (nonzero) digits is 8294400, while the sum is 53.

The spelling of 1449565220438 in words is "one trillion, four hundred forty-nine billion, five hundred sixty-five million, two hundred twenty thousand, four hundred thirty-eight".