454044020551 has 4 divisors (see below), whose sum is σ = 495320749704. Its totient is φ = 412767291400.

The previous prime is 454044020513. The next prime is 454044020593. The reversal of 454044020551 is 155020440454.

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

It is a cyclic number.

It is not a de Polignac number, because 454044020551 - 2¹⁵ = 454043987783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454044020251) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 20638364560 + ... + 20638364581.

It is an arithmetic number, because the mean of its divisors is an integer number (123830187426).

Almost surely, 2^454044020551 is an apocalyptic number.

454044020551 is a deficient number, since it is larger than the sum of its proper divisors (41276729153).

454044020551 is a wasteful number, since it uses less digits than its factorization.

454044020551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41276729152.

The product of its (nonzero) digits is 64000, while the sum is 34.

The spelling of 454044020551 in words is "four hundred fifty-four billion, forty-four million, twenty thousand, five hundred fifty-one".