1452798720 has 288 divisors, whose sum is σ = 5211709440. Its totient is φ = 383201280.

The previous prime is 1452798719. The next prime is 1452798727. The reversal of 1452798720 is 278972541.

It is a happy number.

1452798720 is a `hidden beast` number, since 14 + 527 + 98 + 7 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×1452798720² = 4221248241667276800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1452798727) 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, 4388955 + ... + 4389285.

Almost surely, 2^1452798720 is an apocalyptic number.

1452798720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1452798720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2605854720).

1452798720 is an abundant number, since it is smaller than the sum of its proper divisors (3758910720).

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

1452798720 is a wasteful number, since it uses less digits than its factorization.

1452798720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 1452798720 is about 38115.5968076062. The cubic root of 1452798720 is about 1132.5789427888.

The spelling of 1452798720 in words is "one billion, four hundred fifty-two million, seven hundred ninety-eight thousand, seven hundred twenty".