4045344455 has 4 divisors (see below), whose sum is σ = 4854413352. Its totient is φ = 3236275560.

The previous prime is 4045344451. The next prime is 4045344491. The reversal of 4045344455 is 5544435404.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4045344455 - 2² = 4045344451 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 (4045344451) 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, 404534441 + ... + 404534450.

It is an arithmetic number, because the mean of its divisors is an integer number (1213603338).

Almost surely, 2^4045344455 is an apocalyptic number.

4045344455 is a deficient number, since it is larger than the sum of its proper divisors (809068897).

4045344455 is an equidigital number, since it uses as much as digits as its factorization.

4045344455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809068896.

The product of its (nonzero) digits is 384000, while the sum is 38.

The square root of 4045344455 is about 63603.0223731546. The cubic root of 4045344455 is about 1593.3768473972.

Adding to 4045344455 its reverse (5544435404), we get a palindrome (9589779859).

The spelling of 4045344455 in words is "four billion, forty-five million, three hundred forty-four thousand, four hundred fifty-five".