2491104000 has 576 divisors, whose sum is σ = 10346499072. Its totient is φ = 516096000.

The previous prime is 2491103897. The next prime is 2491104001. The reversal of 2491104000 is 4011942.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2491104001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7391832 + ... + 7392168.

It is an arithmetic number, because the mean of its divisors is an integer number (17962672).

Almost surely, 2^2491104000 is an apocalyptic number.

2491104000 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 2491104000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5173249536).

2491104000 is an abundant number, since it is smaller than the sum of its proper divisors (7855395072).

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

2491104000 is a wasteful number, since it uses less digits than its factorization.

2491104000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 2491104000 is about 49910.9607200663. The cubic root of 2491104000 is about 1355.5970644321.

Adding to 2491104000 its reverse (4011942), we get a palindrome (2495115942).

It can be divided in two parts, 2491 and 104000, that added together give a triangular number (106491 = T₄₆₁).

The spelling of 2491104000 in words is "two billion, four hundred ninety-one million, one hundred four thousand".