45771066880 has 640 divisors, whose sum is σ = 146652042240. Its totient is φ = 13381632000.

The previous prime is 45771066841. The next prime is 45771066881. The reversal of 45771066880 is 8866017754.

It is a tau number, because it is divible by the number of its divisors (640).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45771066881) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 453178830 + ... + 453178930.

It is an arithmetic number, because the mean of its divisors is an integer number (229143816).

Almost surely, 2^45771066880 is an apocalyptic number.

45771066880 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 45771066880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73326021120).

45771066880 is an abundant number, since it is smaller than the sum of its proper divisors (100880975360).

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

45771066880 is a wasteful number, since it uses less digits than its factorization.

45771066880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 52.

The spelling of 45771066880 in words is "forty-five billion, seven hundred seventy-one million, sixty-six thousand, eight hundred eighty".