628453824 has 112 divisors (see below), whose sum is σ = 1817680896. Its totient is φ = 190771200.

The previous prime is 628453811. The next prime is 628453853. The reversal of 628453824 is 428354826.

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, 98079 + ... + 104289.

Almost surely, 2^628453824 is an apocalyptic number.

628453824 is a gapful number since it is divisible by the number (64) 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 628453824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (908840448).

628453824 is an abundant number, since it is smaller than the sum of its proper divisors (1189227072).

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

628453824 is a wasteful number, since it uses less digits than its factorization.

628453824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6274 (or 6264 counting only the distinct ones).

The product of its digits is 368640, while the sum is 42.

The square root of 628453824 is about 25068.9813115731. The cubic root of 628453824 is about 856.5600027348.

The spelling of 628453824 in words is "six hundred twenty-eight million, four hundred fifty-three thousand, eight hundred twenty-four".