45663399299840 has 432 divisors, whose sum is σ = 132568223284224. Its totient is φ = 15009323212800.

The previous prime is 45663399299831. The next prime is 45663399299849. The reversal of 45663399299840 is 4899299336654.

It is an interprime number because it is at equal distance from previous prime (45663399299831) and next prime (45663399299849).

It is not an unprimeable number, because it can be changed into a prime (45663399299849) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 207932495 + ... + 208151985.

It is an arithmetic number, because the mean of its divisors is an integer number (306870887232).

Almost surely, 2^{45663399299840} is an apocalyptic number.

45663399299840 is a gapful number since it is divisible by the number (40) 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 45663399299840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66284111642112).

45663399299840 is an abundant number, since it is smaller than the sum of its proper divisors (86904823984384).

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

45663399299840 is a wasteful number, since it uses less digits than its factorization.

45663399299840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219664 (or 219643 counting only the distinct ones).

The product of its (nonzero) digits is 2720977920, while the sum is 77.

The spelling of 45663399299840 in words is "forty-five trillion, six hundred sixty-three billion, three hundred ninety-nine million, two hundred ninety-nine thousand, eight hundred forty".