4445220400455 has 32 divisors (see below), whose sum is σ = 7498900477440. Its totient is φ = 2242342051200.

The previous prime is 4445220400451. The next prime is 4445220400471. The reversal of 4445220400455 is 5540040225444.

4445220400455 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4445220400455 - 2² = 4445220400451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4445220400451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12547371 + ... + 12896780.

It is an arithmetic number, because the mean of its divisors is an integer number (234340639920).

Almost surely, 2^{4445220400455} is an apocalyptic number.

4445220400455 is a deficient number, since it is larger than the sum of its proper divisors (3053680076985).

4445220400455 is a wasteful number, since it uses less digits than its factorization.

4445220400455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25444791.

The product of its (nonzero) digits is 512000, while the sum is 39.

Adding to 4445220400455 its reverse (5540040225444), we get a palindrome (9985260625899).

The spelling of 4445220400455 in words is "four trillion, four hundred forty-five billion, two hundred twenty million, four hundred thousand, four hundred fifty-five".