633375140 has 12 divisors (see below), whose sum is σ = 1330087836. Its totient is φ = 253350048.

The previous prime is 633375121. The next prime is 633375151. The reversal of 633375140 is 41573336.

It can be written as a sum of positive squares in 2 ways, for example, as 327754816 + 305620324 = 18104^2 + 17482^2 .

It is a junction number, because it is equal to n+sod(n) for n = 633375097 and 633375106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15834359 + ... + 15834398.

It is an arithmetic number, because the mean of its divisors is an integer number (110840653).

Almost surely, 2^633375140 is an apocalyptic number.

It is an amenable number.

633375140 is an abundant number, since it is smaller than the sum of its proper divisors (696712696).

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

633375140 is a wasteful number, since it uses less digits than its factorization.

633375140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31668766 (or 31668764 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 32.

The square root of 633375140 is about 25166.9453847701. The cubic root of 633375140 is about 858.7900507980.

The spelling of 633375140 in words is "six hundred thirty-three million, three hundred seventy-five thousand, one hundred forty".