632423400 has 240 divisors, whose sum is σ = 2292338400. Its totient is φ = 144224640.

The previous prime is 632423381. The next prime is 632423411. The reversal of 632423400 is 4324236.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 59 ways as a sum of consecutive naturals, for example, 1440381 + ... + 1440819.

It is an arithmetic number, because the mean of its divisors is an integer number (9551410).

Almost surely, 2^632423400 is an apocalyptic number.

632423400 is a gapful number since it is divisible by the number (60) 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 632423400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1146169200).

632423400 is an abundant number, since it is smaller than the sum of its proper divisors (1659915000).

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

632423400 is a wasteful number, since it uses less digits than its factorization.

632423400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 632423400 is about 25148.0297438984. The cubic root of 632423400 is about 858.3596820600.

Adding to 632423400 its reverse (4324236), we get a palindrome (636747636).

The spelling of 632423400 in words is "six hundred thirty-two million, four hundred twenty-three thousand, four hundred".