2440444040551 has 8 divisors (see below), whose sum is σ = 2682625511808. Its totient is φ = 2201649723000.

The previous prime is 2440444040519. The next prime is 2440444040603. The reversal of 2440444040551 is 1550404440442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2440444040551 - 2⁵ = 2440444040519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2440444040551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440444040851) 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, 846786915 + ... + 846789796.

It is an arithmetic number, because the mean of its divisors is an integer number (335328188976).

Almost surely, 2^{2440444040551} is an apocalyptic number.

2440444040551 is a deficient number, since it is larger than the sum of its proper divisors (242181471257).

2440444040551 is a wasteful number, since it uses less digits than its factorization.

2440444040551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693576853.

The product of its (nonzero) digits is 204800, while the sum is 37.

Adding to 2440444040551 its reverse (1550404440442), we get a palindrome (3990848480993).

The spelling of 2440444040551 in words is "two trillion, four hundred forty billion, four hundred forty-four million, forty thousand, five hundred fifty-one".