2639217488 has 60 divisors (see below), whose sum is σ = 5351764608. Its totient is φ = 1259432640.

The previous prime is 2639217433. The next prime is 2639217509. The reversal of 2639217488 is 8847129362.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11834945 + ... + 11835167.

Almost surely, 2^2639217488 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 2639217488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2675882304).

2639217488 is an abundant number, since it is smaller than the sum of its proper divisors (2712547120).

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

2639217488 is a wasteful number, since it uses less digits than its factorization.

2639217488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592 (or 363 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

The square root of 2639217488 is about 51373.3149407355. The cubic root of 2639217488 is about 1381.9480797532.

The spelling of 2639217488 in words is "two billion, six hundred thirty-nine million, two hundred seventeen thousand, four hundred eighty-eight".