632079840 has 192 divisors, whose sum is σ = 2395491840. Its totient is φ = 136857600.

The previous prime is 632079793. The next prime is 632079871. The reversal of 632079840 is 48970236.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58890 + ... + 68790.

It is an arithmetic number, because the mean of its divisors is an integer number (12476520).

Almost surely, 2^632079840 is an apocalyptic number.

632079840 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 632079840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1197745920).

632079840 is an abundant number, since it is smaller than the sum of its proper divisors (1763412000).

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

632079840 is a wasteful number, since it uses less digits than its factorization.

632079840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9945 (or 9937 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 632079840 is about 25141.1980621449. The cubic root of 632079840 is about 858.2042210882.

The spelling of 632079840 in words is "six hundred thirty-two million, seventy-nine thousand, eight hundred forty".