1044654064456 has 8 divisors (see below), whose sum is σ = 1958726370870. Its totient is φ = 522327032224.

The previous prime is 1044654064451. The next prime is 1044654064457. The reversal of 1044654064456 is 6544604564401.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 987022380100 + 57631684356 = 993490^2 + 240066^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1044654064456² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1044654064451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65290879021 + ... + 65290879036.

Almost surely, 2^{1044654064456} is an apocalyptic number.

It is an amenable number.

1044654064456 is a deficient number, since it is larger than the sum of its proper divisors (914072306414).

1044654064456 is a wasteful number, since it uses less digits than its factorization.

1044654064456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130581758063 (or 130581758059 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 49.

The spelling of 1044654064456 in words is "one trillion, forty-four billion, six hundred fifty-four million, sixty-four thousand, four hundred fifty-six".