1452643408 has 80 divisors (see below), whose sum is σ = 2974809600. Its totient is φ = 686246400.

The previous prime is 1452643373. The next prime is 1452643427. The reversal of 1452643408 is 8043462541.

It is a super-2 number, since 2×1452643408² = 4220345741611708928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6513985 + ... + 6514207.

It is an arithmetic number, because the mean of its divisors is an integer number (37185120).

Almost surely, 2^1452643408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1452643408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1487404800).

1452643408 is an abundant number, since it is smaller than the sum of its proper divisors (1522166192).

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

1452643408 is a wasteful number, since it uses less digits than its factorization.

1452643408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500 (or 494 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The square root of 1452643408 is about 38113.5593719611. The cubic root of 1452643408 is about 1132.5385817562.

The spelling of 1452643408 in words is "one billion, four hundred fifty-two million, six hundred forty-three thousand, four hundred eight".