1453421824 has 36 divisors (see below), whose sum is σ = 2940946036. Its totient is φ = 716746752.

The previous prime is 1453421803. The next prime is 1453421839. The reversal of 1453421824 is 4281243541.

1453421824 = 4426² + 4427² + ... + 4498².

It can be written as a sum of positive squares in 2 ways, for example, as 452838400 + 1000583424 = 21280^2 + 31632^2 .

It is a super-2 number, since 2×1453421824² = 4224869996958973952, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1453421824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20199 + ... + 57574.

Almost surely, 2^1453421824 is an apocalyptic number.

It is an amenable number.

1453421824 is an abundant number, since it is smaller than the sum of its proper divisors (1487524212).

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

1453421824 is an frugal number, since it uses more digits than its factorization.

1453421824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77862 (or 77848 counting only the distinct ones).

The product of its digits is 30720, while the sum is 34.

The square root of 1453421824 is about 38123.7698031032. The cubic root of 1453421824 is about 1132.7408403250.

The spelling of 1453421824 in words is "one billion, four hundred fifty-three million, four hundred twenty-one thousand, eight hundred twenty-four".