454205745550 has 24 divisors (see below), whose sum is σ = 848357532000. Its totient is φ = 180922116480.

The previous prime is 454205745529. The next prime is 454205745559. The reversal of 454205745550 is 55547502454.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 454205745550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454205745559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18992475 + ... + 19016374.

It is an arithmetic number, because the mean of its divisors is an integer number (35348230500).

Almost surely, 2^454205745550 is an apocalyptic number.

454205745550 is a deficient number, since it is larger than the sum of its proper divisors (394151786450).

454205745550 is a wasteful number, since it uses less digits than its factorization.

454205745550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38009100 (or 38009095 counting only the distinct ones).

The product of its (nonzero) digits is 2800000, while the sum is 46.

The spelling of 454205745550 in words is "four hundred fifty-four billion, two hundred five million, seven hundred forty-five thousand, five hundred fifty".