632279340 has 432 divisors, whose sum is σ = 2569432320. Its totient is φ = 124467840.

The previous prime is 632279339. The next prime is 632279357. The reversal of 632279340 is 43972236.

It is a happy number.

632279340 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 632279295 and 632279304.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 33277851 + ... + 33277869.

It is an arithmetic number, because the mean of its divisors is an integer number (5947760).

Almost surely, 2^632279340 is an apocalyptic number.

632279340 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 632279340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1284716160).

632279340 is an abundant number, since it is smaller than the sum of its proper divisors (1937152980).

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

632279340 is a wasteful number, since it uses less digits than its factorization.

632279340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 632279340 is about 25145.1653404785. The cubic root of 632279340 is about 858.2945017361.

It can be divided in two parts, 632 and 279340, that added together give a palindrome (279972).

The spelling of 632279340 in words is "six hundred thirty-two million, two hundred seventy-nine thousand, three hundred forty".