4440554450551 has 4 divisors (see below), whose sum is σ = 4548860656704. Its totient is φ = 4332248244400.

The previous prime is 4440554450537. The next prime is 4440554450557. The reversal of 4440554450551 is 1550544550444.

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 4440554450551 - 2⁴¹ = 2241531194999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440554450557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54153103015 + ... + 54153103096.

It is an arithmetic number, because the mean of its divisors is an integer number (1137215164176).

Almost surely, 2^{4440554450551} is an apocalyptic number.

4440554450551 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

4440554450551 is a deficient number, since it is larger than the sum of its proper divisors (108306206153).

4440554450551 is a wasteful number, since it uses less digits than its factorization.

4440554450551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108306206152.

The product of its (nonzero) digits is 3200000, while the sum is 46.

The spelling of 4440554450551 in words is "four trillion, four hundred forty billion, five hundred fifty-four million, four hundred fifty thousand, five hundred fifty-one".