63540344 has 16 divisors (see below), whose sum is σ = 136158000. Its totient is φ = 27231552.

The previous prime is 63540343. The next prime is 63540349. The reversal of 63540344 is 44304536.

63540344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63540341) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 567269 + ... + 567380.

It is an arithmetic number, because the mean of its divisors is an integer number (8509875).

Almost surely, 2^63540344 is an apocalyptic number.

It is an amenable number.

63540344 is an abundant number, since it is smaller than the sum of its proper divisors (72617656).

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

63540344 is a wasteful number, since it uses less digits than its factorization.

63540344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134662 (or 1134658 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 63540344 is about 7971.2197310073. The cubic root of 63540344 is about 399.0400815676.

The spelling of 63540344 in words is "sixty-three million, five hundred forty thousand, three hundred forty-four".