2691255000 has 480 divisors, whose sum is σ = 10283708160. Its totient is φ = 574560000.

The previous prime is 2691254963. The next prime is 2691255029. The reversal of 2691255000 is 5521962.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 37904965 + ... + 37905035.

It is an arithmetic number, because the mean of its divisors is an integer number (21424392).

Almost surely, 2^2691255000 is an apocalyptic number.

2691255000 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 2691255000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5141854080).

2691255000 is an abundant number, since it is smaller than the sum of its proper divisors (7592453160).

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

2691255000 is a wasteful number, since it uses less digits than its factorization.

2691255000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 2691255000 is about 51877.3071776090. The cubic root of 2691255000 is about 1390.9716650360.

Adding to 2691255000 its reverse (5521962), we get a palindrome (2696776962).

The spelling of 2691255000 in words is "two billion, six hundred ninety-one million, two hundred fifty-five thousand".