63040000 has 100 divisors (see below), whose sum is σ = 158194674. Its totient is φ = 25088000.

The previous prime is 63039983. The next prime is 63040039. The reversal of 63040000 is 4036.

It can be written as a sum of positive squares in 5 ways, for example, as 10969344 + 52070656 = 3312^2 + 7216^2 .

It is a tau number, because it is divible by the number of its divisors (100).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 319902 + ... + 320098.

Almost surely, 2^63040000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79097337).

63040000 is an abundant number, since it is smaller than the sum of its proper divisors (95154674).

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

63040000 is an frugal number, since it uses more digits than its factorization.

63040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 63040000 is about 7939.7732965117. The cubic root of 63040000 is about 397.9899158241.

Adding to 63040000 its reverse (4036), we get a palindrome (63044036).

The spelling of 63040000 in words is "sixty-three million, forty thousand".