4251454445544 has 32 divisors (see below), whose sum is σ = 10628879292000. Its totient is φ = 1417119058112.

The previous prime is 4251454445543. The next prime is 4251454445549. The reversal of 4251454445544 is 4455444541524.

It is a super-3 number, since 3×4251454445544³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (4251454445543) 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, 943854 + ... + 3064925.

It is an arithmetic number, because the mean of its divisors is an integer number (332152477875).

Almost surely, 2^{4251454445544} is an apocalyptic number.

It is an amenable number.

4251454445544 is an abundant number, since it is smaller than the sum of its proper divisors (6377424846456).

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

4251454445544 is a wasteful number, since it uses less digits than its factorization.

4251454445544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4052977 (or 4052973 counting only the distinct ones).

The product of its digits is 20480000, while the sum is 51.

The spelling of 4251454445544 in words is "four trillion, two hundred fifty-one billion, four hundred fifty-four million, four hundred forty-five thousand, five hundred forty-four".