63653477040 has 240 divisors, whose sum is σ = 224700136128. Its totient is φ = 16117161984.

The previous prime is 63653476993. The next prime is 63653477093. The reversal of 63653477040 is 4077435636.

63653477040 is a `hidden beast` number, since 6 + 3 + 6 + 534 + 7 + 70 + 40 = 666.

63653477040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2254692 + ... + 2282748.

Almost surely, 2^63653477040 is an apocalyptic number.

63653477040 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 63653477040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112350068064).

63653477040 is an abundant number, since it is smaller than the sum of its proper divisors (161046659088).

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

63653477040 is a wasteful number, since it uses less digits than its factorization.

63653477040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28236 (or 28227 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 45.

The spelling of 63653477040 in words is "sixty-three billion, six hundred fifty-three million, four hundred seventy-seven thousand, forty".