1453663320 has 32 divisors (see below), whose sum is σ = 4360990320. Its totient is φ = 387643520.

The previous prime is 1453663307. The next prime is 1453663327. The reversal of 1453663320 is 233663541.

It is a super-2 number, since 2×1453663320² = 4226274095826844800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453663327) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6056811 + ... + 6057050.

Almost surely, 2^1453663320 is an apocalyptic number.

1453663320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1453663320 is an abundant number, since it is smaller than the sum of its proper divisors (2907327000).

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

1453663320 is a wasteful number, since it uses less digits than its factorization.

1453663320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12113875 (or 12113871 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 33.

The square root of 1453663320 is about 38126.9369344037. The cubic root of 1453663320 is about 1132.8035744026.

The spelling of 1453663320 in words is "one billion, four hundred fifty-three million, six hundred sixty-three thousand, three hundred twenty".