5457845988 has 576 divisors, whose sum is σ = 19121356800. Its totient is φ = 1332495360.

The previous prime is 5457845983. The next prime is 5457846013. The reversal of 5457845988 is 8895487545.

5457845988 is a `hidden beast` number, since 5 + 4 + 578 + 4 + 59 + 8 + 8 = 666.

It is a super-4 number, since 4×5457845988⁴ (a number of 40 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5457845983) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 52988745 + ... + 52988847.

It is an arithmetic number, because the mean of its divisors is an integer number (33196800).

Almost surely, 2^5457845988 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 5457845988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9560678400).

5457845988 is an abundant number, since it is smaller than the sum of its proper divisors (13663510812).

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

5457845988 is a wasteful number, since it uses less digits than its factorization.

5457845988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 182 counting only the distinct ones).

The product of its digits is 64512000, while the sum is 63.

The square root of 5457845988 is about 73877.2359255542. The cubic root of 5457845988 is about 1760.6529503083.

The spelling of 5457845988 in words is "five billion, four hundred fifty-seven million, eight hundred forty-five thousand, nine hundred eighty-eight".