40663876608 has 616 divisors, whose sum is σ = 133168321920. Its totient is φ = 12361973760.

The previous prime is 40663876601. The next prime is 40663876613. The reversal of 40663876608 is 80667836604.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (40663876601) 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 55 ways as a sum of consecutive naturals, for example, 666620898 + ... + 666620958.

Almost surely, 2^40663876608 is an apocalyptic number.

40663876608 is a gapful number since it is divisible by the number (48) 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 40663876608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66584160960).

40663876608 is an abundant number, since it is smaller than the sum of its proper divisors (92504445312).

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

40663876608 is an equidigital number, since it uses as much as digits as its factorization.

40663876608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 54.

The spelling of 40663876608 in words is "forty billion, six hundred sixty-three million, eight hundred seventy-six thousand, six hundred eight".