1025600044466 has 4 divisors (see below), whose sum is σ = 1538400066702. Its totient is φ = 512800022232.

The previous prime is 1025600044423. The next prime is 1025600044481. The reversal of 1025600044466 is 6644400065201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 571891375225 + 453708669241 = 756235^2 + 673579^2 .

It is a super-2 number, since 2×1025600044466² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256400011115 + ... + 256400011118.

Almost surely, 2^{1025600044466} is an apocalyptic number.

1025600044466 is a deficient number, since it is larger than the sum of its proper divisors (512800022236).

1025600044466 is an equidigital number, since it uses as much as digits as its factorization.

1025600044466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512800022235.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 1025600044466 in words is "one trillion, twenty-five billion, six hundred million, forty-four thousand, four hundred sixty-six".