45643211644420 has 192 divisors, whose sum is σ = 105666636902400. Its totient is φ = 16458221260800.

The previous prime is 45643211644417. The next prime is 45643211644439. The reversal of 45643211644420 is 2444611234654.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2711845405 + ... + 2711862235.

It is an arithmetic number, because the mean of its divisors is an integer number (550347067200).

Almost surely, 2^{45643211644420} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45643211644420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52833318451200).

45643211644420 is an abundant number, since it is smaller than the sum of its proper divisors (60023425257980).

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

45643211644420 is a wasteful number, since it uses less digits than its factorization.

45643211644420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18126 (or 18124 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 46.

The spelling of 45643211644420 in words is "forty-five trillion, six hundred forty-three billion, two hundred eleven million, six hundred forty-four thousand, four hundred twenty".