8450542080 has 400 divisors, whose sum is σ = 30694222944. Its totient is φ = 2221793280.

The previous prime is 8450542063. The next prime is 8450542091. The reversal of 8450542080 is 802450548.

It is a super-2 number, since 2×8450542080² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 17210635 + ... + 17211125.

Almost surely, 2^8450542080 is an apocalyptic number.

8450542080 is a gapful number since it is divisible by the number (80) 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 8450542080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15347111472).

8450542080 is an abundant number, since it is smaller than the sum of its proper divisors (22243680864).

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

8450542080 is an equidigital number, since it uses as much as digits as its factorization.

8450542080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609 (or 584 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 8450542080 is about 91926.8300334565. The cubic root of 8450542080 is about 2036.8616102807.

The spelling of 8450542080 in words is "eight billion, four hundred fifty million, five hundred forty-two thousand, eighty".