63211040 has 24 divisors (see below), whose sum is σ = 149336460. Its totient is φ = 25284352.

The previous prime is 63211013. The next prime is 63211069. The reversal of 63211040 is 4011236.

It can be written as a sum of positive squares in 2 ways, for example, as 60155536 + 3055504 = 7756^2 + 1748^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197375 + ... + 197694.

Almost surely, 2^63211040 is an apocalyptic number.

It is an amenable number.

63211040 is an abundant number, since it is smaller than the sum of its proper divisors (86125420).

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

63211040 is a wasteful number, since it uses less digits than its factorization.

63211040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395084 (or 395076 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 63211040 is about 7950.5370887758. The cubic root of 63211040 is about 398.3495325932.

Adding to 63211040 its reverse (4011236), we get a palindrome (67222276).

The spelling of 63211040 in words is "sixty-three million, two hundred eleven thousand, forty".