63395366040 has 384 divisors, whose sum is σ = 220059141120. Its totient is φ = 16404249600.

The previous prime is 63395365939. The next prime is 63395366063. The reversal of 63395366040 is 4066359336.

63395366040 is a `hidden beast` number, since 6 + 3 + 3 + 9 + 5 + 36 + 604 + 0 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 107998627 + ... + 107999213.

It is an arithmetic number, because the mean of its divisors is an integer number (573070680).

Almost surely, 2^63395366040 is an apocalyptic number.

63395366040 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 63395366040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110029570560).

63395366040 is an abundant number, since it is smaller than the sum of its proper divisors (156663775080).

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

63395366040 is a wasteful number, since it uses less digits than its factorization.

63395366040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925 (or 909 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 45.

The spelling of 63395366040 in words is "sixty-three billion, three hundred ninety-five million, three hundred sixty-six thousand, forty".