5498288640 has 640 divisors, whose sum is σ = 21861100800. Its totient is φ = 1300561920.

The previous prime is 5498288623. The next prime is 5498288651. The reversal of 5498288640 is 468828945.

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

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26058135 + ... + 26058345.

It is an arithmetic number, because the mean of its divisors is an integer number (34157970).

Almost surely, 2^5498288640 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 5498288640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10930550400).

5498288640 is an abundant number, since it is smaller than the sum of its proper divisors (16362812160).

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

5498288640 is a wasteful number, since it uses less digits than its factorization.

5498288640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

The square root of 5498288640 is about 74150.4459865212. The cubic root of 5498288640 is about 1764.9910669457.

The spelling of 5498288640 in words is "five billion, four hundred ninety-eight million, two hundred eighty-eight thousand, six hundred forty".