632412240 has 80 divisors (see below), whose sum is σ = 2075813568. Its totient is φ = 158722048.

The previous prime is 632412227. The next prime is 632412259. The reversal of 632412240 is 42214236.

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

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

It is a self number, because there is not a number n which added to its sum of digits gives 632412240.

It is a congruent number.

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, 73422 + ... + 81581.

Almost surely, 2^632412240 is an apocalyptic number.

632412240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

632412240 is an abundant number, since it is smaller than the sum of its proper divisors (1443401328).

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

632412240 is a wasteful number, since it uses less digits than its factorization.

632412240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155036 (or 155030 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 632412240 is about 25147.8078567497. The cubic root of 632412240 is about 858.3546330425.

Adding to 632412240 its reverse (42214236), we get a palindrome (674626476).

The spelling of 632412240 in words is "six hundred thirty-two million, four hundred twelve thousand, two hundred forty".