7044400453 has 8 divisors (see below), whose sum is σ = 7060079000. Its totient is φ = 7028736768.

The previous prime is 7044400421. The next prime is 7044400459. The reversal of 7044400453 is 3540044407.

It can be written as a sum of positive squares in 4 ways, for example, as 2169729 + 7042230724 = 1473^2 + 83918^2 .

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 7044400453 - 2⁵ = 7044400421 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 (7044400459) 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, 1867153 + ... + 1870921.

It is an arithmetic number, because the mean of its divisors is an integer number (882509875).

Almost surely, 2^7044400453 is an apocalyptic number.

It is an amenable number.

7044400453 is a deficient number, since it is larger than the sum of its proper divisors (15678547).

7044400453 is a wasteful number, since it uses less digits than its factorization.

7044400453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7431.

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 7044400453 is about 83930.9266778343. The cubic root of 7044400453 is about 1916.9671857488.

The spelling of 7044400453 in words is "seven billion, forty-four million, four hundred thousand, four hundred fifty-three".