63229540 has 48 divisors (see below), whose sum is σ = 145805184. Its totient is φ = 22841600.

The previous prime is 63229501. The next prime is 63229561. The reversal of 63229540 is 4592236.

63229540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×63229540² = 7995949457223200, which contains 22 as substring.

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, 35880 + ... + 37600.

It is an arithmetic number, because the mean of its divisors is an integer number (3037608).

Almost surely, 2^63229540 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 63229540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72902592).

63229540 is an abundant number, since it is smaller than the sum of its proper divisors (82575644).

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

63229540 is a wasteful number, since it uses less digits than its factorization.

63229540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908 (or 1906 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 63229540 is about 7951.7004470742. The cubic root of 63229540 is about 398.3883905075.

The spelling of 63229540 in words is "sixty-three million, two hundred twenty-nine thousand, five hundred forty".