1454488728 has 96 divisors (see below), whose sum is σ = 4567879680. Its totient is φ = 377784000.

The previous prime is 1454488727. The next prime is 1454488781. The reversal of 1454488728 is 8278844541.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1454488727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15448 + ... + 56103.

It is an arithmetic number, because the mean of its divisors is an integer number (47582080).

Almost surely, 2^1454488728 is an apocalyptic number.

It is an amenable number.

1454488728 is an abundant number, since it is smaller than the sum of its proper divisors (3113390952).

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

1454488728 is a wasteful number, since it uses less digits than its factorization.

1454488728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71589 (or 71574 counting only the distinct ones).

The product of its digits is 2293760, while the sum is 51.

The square root of 1454488728 is about 38137.7598712877. The cubic root of 1454488728 is about 1133.0179404581.

The spelling of 1454488728 in words is "one billion, four hundred fifty-four million, four hundred eighty-eight thousand, seven hundred twenty-eight".