8554499440 has 20 divisors (see below), whose sum is σ = 19889211384. Its totient is φ = 3421799744.

The previous prime is 8554499423. The next prime is 8554499453. The reversal of 8554499440 is 449944558.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53465542 + ... + 53465701.

Almost surely, 2^8554499440 is an apocalyptic number.

8554499440 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8554499440 is an abundant number, since it is smaller than the sum of its proper divisors (11334711944).

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

8554499440 is a wasteful number, since it uses less digits than its factorization.

8554499440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106931256 (or 106931250 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 52.

The square root of 8554499440 is about 92490.5370294713. The cubic root of 8554499440 is about 2045.1799858722.

The spelling of 8554499440 in words is "eight billion, five hundred fifty-four million, four hundred ninety-nine thousand, four hundred forty".