1457489401744 has 20 divisors (see below), whose sum is σ = 2833935139980. Its totient is φ = 726151301120.

The previous prime is 1457489401733. The next prime is 1457489401799. The reversal of 1457489401744 is 4471049847541.

It can be written as a sum of positive squares in 2 ways, for example, as 1229464051344 + 228025350400 = 1108812^2 + 477520^2 .

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, 162082849 + ... + 162091840.

It is an arithmetic number, because the mean of its divisors is an integer number (141696756999).

Almost surely, 2^{1457489401744} is an apocalyptic number.

It is an amenable number.

1457489401744 is a deficient number, since it is larger than the sum of its proper divisors (1376445738236).

1457489401744 is a wasteful number, since it uses less digits than its factorization.

1457489401744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324174978 (or 324174972 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 58.

The spelling of 1457489401744 in words is "one trillion, four hundred fifty-seven billion, four hundred eighty-nine million, four hundred one thousand, seven hundred forty-four".