2690261000 has 128 divisors (see below), whose sum is σ = 7297205760. Its totient is φ = 909216000.

The previous prime is 2690260997. The next prime is 2690261011. The reversal of 2690261000 is 1620962.

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, 494294 + ... + 499706.

It is an arithmetic number, because the mean of its divisors is an integer number (57009420).

Almost surely, 2^2690261000 is an apocalyptic number.

2690261000 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 2690261000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3648602880).

2690261000 is an abundant number, since it is smaller than the sum of its proper divisors (4606944760).

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

2690261000 is a wasteful number, since it uses less digits than its factorization.

2690261000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5512 (or 5498 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2690261000 is about 51867.7259960373. The cubic root of 2690261000 is about 1390.8003947437.

Adding to 2690261000 its reverse (1620962), we get a palindrome (2691881962).

The spelling of 2690261000 in words is "two billion, six hundred ninety million, two hundred sixty-one thousand".