2689839040 has 224 divisors, whose sum is σ = 7558064640. Its totient is φ = 892809216.

The previous prime is 2689839037. The next prime is 2689839067. The reversal of 2689839040 is 409389862.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×2689839040² = 14470468122216243200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16501999 + ... + 16502161.

It is an arithmetic number, because the mean of its divisors is an integer number (33741360).

Almost surely, 2^2689839040 is an apocalyptic number.

2689839040 is a gapful number since it is divisible by the number (20) 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 2689839040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3779032320).

2689839040 is an abundant number, since it is smaller than the sum of its proper divisors (4868225600).

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

2689839040 is a wasteful number, since it uses less digits than its factorization.

2689839040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 49.

The square root of 2689839040 is about 51863.6581818136. The cubic root of 2689839040 is about 1390.7276765428.

The spelling of 2689839040 in words is "two billion, six hundred eighty-nine million, eight hundred thirty-nine thousand, forty".