632040240 has 80 divisors (see below), whose sum is σ = 2110052448. Its totient is φ = 155578368.

The previous prime is 632040217. The next prime is 632040251. The reversal of 632040240 is 42040236.

It is a tau number, because it is divible by the number of its divisors (80).

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 15 ways as a sum of consecutive naturals, for example, 98169 + ... + 104408.

Almost surely, 2^632040240 is an apocalyptic number.

632040240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

632040240 is an abundant number, since it is smaller than the sum of its proper divisors (1478012208).

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

632040240 is a wasteful number, since it uses less digits than its factorization.

632040240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202606 (or 202600 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 632040240 is about 25140.4104978419. The cubic root of 632040240 is about 858.1862984595.

Adding to 632040240 its reverse (42040236), we get a palindrome (674080476).

The spelling of 632040240 in words is "six hundred thirty-two million, forty thousand, two hundred forty".