454550464361540 has 24 divisors (see below), whose sum is σ = 960962391106200. Its totient is φ = 180599916040448.

The previous prime is 454550464361537. The next prime is 454550464361549. The reversal of 454550464361540 is 45163464055454.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 48728552981056 + 405821911380484 = 6980584^2 + 20145022^2 .

It is a super-2 number, since 2×454550464361540² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (454550464361549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76266853457 + ... + 76266859416.

It is an arithmetic number, because the mean of its divisors is an integer number (40040099629425).

Almost surely, 2^{454550464361540} is an apocalyptic number.

It is an amenable number.

454550464361540 is an abundant number, since it is smaller than the sum of its proper divisors (506411926744660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

454550464361540 is a wasteful number, since it uses less digits than its factorization.

454550464361540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152533713031 (or 152533713029 counting only the distinct ones).

The product of its (nonzero) digits is 69120000, while the sum is 56.

The spelling of 454550464361540 in words is "four hundred fifty-four trillion, five hundred fifty billion, four hundred sixty-four million, three hundred sixty-one thousand, five hundred forty".