63549911040 has 1248 divisors, whose sum is σ = 274305450240. Its totient is φ = 12386304000.

The previous prime is 63549911039. The next prime is 63549911077. The reversal of 63549911040 is 4011994536.

It is a super-3 number, since 3×63549911040³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 63549910983 and 63549911001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 629206990 + ... + 629207090.

Almost surely, 2^63549911040 is an apocalyptic number.

63549911040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63549911040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137152725120).

63549911040 is an abundant number, since it is smaller than the sum of its proper divisors (210755539200).

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

63549911040 is a wasteful number, since it uses less digits than its factorization.

63549911040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The spelling of 63549911040 in words is "sixty-three billion, five hundred forty-nine million, nine hundred eleven thousand, forty".