8551401488 has 80 divisors (see below), whose sum is σ = 19427506560. Its totient is φ = 3569894400.

The previous prime is 8551401479. The next prime is 8551401527. The reversal of 8551401488 is 8841041558.

It is a super-2 number, since 2×8551401488² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4320083 + ... + 4322061.

It is an arithmetic number, because the mean of its divisors is an integer number (242843832).

Almost surely, 2^8551401488 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 8551401488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9713753280).

8551401488 is an abundant number, since it is smaller than the sum of its proper divisors (10876105072).

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

8551401488 is a wasteful number, since it uses less digits than its factorization.

8551401488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2976 (or 2970 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 44.

The square root of 8551401488 is about 92473.7881131729. The cubic root of 8551401488 is about 2044.9330735326.

The spelling of 8551401488 in words is "eight billion, five hundred fifty-one million, four hundred one thousand, four hundred eighty-eight".