453523221444 has 24 divisors (see below), whose sum is σ = 1066298875488. Its totient is φ = 150020403520.

The previous prime is 453523221433. The next prime is 453523221479. The reversal of 453523221444 is 444122325354.

It is a super-2 number, since 2×453523221444² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144248817 + ... + 144251960.

It is an arithmetic number, because the mean of its divisors is an integer number (44429119812).

Almost surely, 2^453523221444 is an apocalyptic number.

It is an amenable number.

453523221444 is an abundant number, since it is smaller than the sum of its proper divisors (612775654044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

453523221444 is a wasteful number, since it uses less digits than its factorization.

453523221444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288500915 (or 288500913 counting only the distinct ones).

The product of its digits is 460800, while the sum is 39.

Adding to 453523221444 its reverse (444122325354), we get a palindrome (897645546798).

The spelling of 453523221444 in words is "four hundred fifty-three billion, five hundred twenty-three million, two hundred twenty-one thousand, four hundred forty-four".