1455320000 has 70 divisors (see below), whose sum is σ = 3608819808. Its totient is φ = 582112000.

The previous prime is 1455319981. The next prime is 1455320011. The reversal of 1455320000 is 235541.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 21809 + ... + 58191.

Almost surely, 2^1455320000 is an apocalyptic number.

1455320000 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 1455320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1804409904).

1455320000 is an abundant number, since it is smaller than the sum of its proper divisors (2153499808).

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

1455320000 is an frugal number, since it uses more digits than its factorization.

1455320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36415 (or 36390 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 1455320000 is about 38148.6565949576. The cubic root of 1455320000 is about 1133.2337474973.

Adding to 1455320000 its reverse (235541), we get a palindrome (1455555541).

The spelling of 1455320000 in words is "one billion, four hundred fifty-five million, three hundred twenty thousand".