1452729798 has 96 divisors (see below), whose sum is σ = 3623701536. Its totient is φ = 416646144.

The previous prime is 1452729791. The next prime is 1452729809. The reversal of 1452729798 is 8979272541.

1452729798 is a `hidden beast` number, since 1 + 4 + 527 + 29 + 7 + 98 = 666.

It is a super-2 number, since 2×1452729798² = 4220847731994241608, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1452729791) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 423940 + ... + 427352.

It is an arithmetic number, because the mean of its divisors is an integer number (37746891).

Almost surely, 2^1452729798 is an apocalyptic number.

1452729798 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1452729798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1811850768).

1452729798 is an abundant number, since it is smaller than the sum of its proper divisors (2170971738).

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

1452729798 is a wasteful number, since it uses less digits than its factorization.

1452729798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3558 (or 3555 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The square root of 1452729798 is about 38114.6926788083. The cubic root of 1452729798 is about 1132.5610323379.

The spelling of 1452729798 in words is "one billion, four hundred fifty-two million, seven hundred twenty-nine thousand, seven hundred ninety-eight".