1452456720 has 240 divisors, whose sum is σ = 5731008192. Its totient is φ = 325002240.

The previous prime is 1452456689. The next prime is 1452456737. The reversal of 1452456720 is 276542541.

It is a happy number.

1452456720 is a `hidden beast` number, since 14 + 524 + 56 + 72 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 95907 + ... + 110013.

Almost surely, 2^1452456720 is an apocalyptic number.

1452456720 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 1452456720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2865504096).

1452456720 is an abundant number, since it is smaller than the sum of its proper divisors (4278551472).

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

1452456720 is a wasteful number, since it uses less digits than its factorization.

1452456720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14150 (or 14141 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 1452456720 is about 38111.1101911241. The cubic root of 1452456720 is about 1132.4900632141.

The spelling of 1452456720 in words is "one billion, four hundred fifty-two million, four hundred fifty-six thousand, seven hundred twenty".