453073280 has 128 divisors (see below), whose sum is σ = 1192665600. Its totient is φ = 163215360.

The previous prime is 453073253. The next prime is 453073303. The reversal of 453073280 is 82370354.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 978329 + ... + 978791.

It is an arithmetic number, because the mean of its divisors is an integer number (9317700).

Almost surely, 2^453073280 is an apocalyptic number.

453073280 is a gapful number since it is divisible by the number (40) 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 453073280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (596332800).

453073280 is an abundant number, since it is smaller than the sum of its proper divisors (739592320).

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

453073280 is a wasteful number, since it uses less digits than its factorization.

453073280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632 (or 620 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 453073280 is about 21285.5180815502. The cubic root of 453073280 is about 768.0499822794.

It can be divided in two parts, 45 and 3073280, that multiplied together give a square (138297600 = 11760²).

The spelling of 453073280 in words is "four hundred fifty-three million, seventy-three thousand, two hundred eighty".