453878457556 has 12 divisors (see below), whose sum is σ = 794294091892. Its totient is φ = 226937288448.

The previous prime is 453878457443. The next prime is 453878457559. The reversal of 453878457556 is 655754878354.

It can be written as a sum of positive squares in 2 ways, for example, as 98106768400 + 355771689156 = 313220^2 + 596466^2 .

It is a junction number, because it is equal to n+sod(n) for n = 453878457491 and 453878457500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453878457559) by changing a digit.

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, 127066 + ... + 961198.

Almost surely, 2^453878457556 is an apocalyptic number.

It is an amenable number.

453878457556 is a deficient number, since it is larger than the sum of its proper divisors (340415634336).

453878457556 is a wasteful number, since it uses less digits than its factorization.

453878457556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970170 (or 970168 counting only the distinct ones).

The product of its digits is 564480000, while the sum is 67.

The spelling of 453878457556 in words is "four hundred fifty-three billion, eight hundred seventy-eight million, four hundred fifty-seven thousand, five hundred fifty-six".