2104003540 has 48 divisors (see below), whose sum is σ = 4508339472. Its totient is φ = 824518656.

The previous prime is 2104003523. The next prime is 2104003541. The reversal of 2104003540 is 453004012.

It can be written as a sum of positive squares in 8 ways, for example, as 118766404 + 1985237136 = 10898^2 + 44556^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104003541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1183132 + ... + 1184908.

It is an arithmetic number, because the mean of its divisors is an integer number (93923739).

Almost surely, 2^2104003540 is an apocalyptic number.

2104003540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2104003540 is an abundant number, since it is smaller than the sum of its proper divisors (2404335932).

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

2104003540 is a wasteful number, since it uses less digits than its factorization.

2104003540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2956 (or 2954 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2104003540 is about 45869.4183525364. The cubic root of 2104003540 is about 1281.3924340880.

Adding to 2104003540 its reverse (453004012), we get a palindrome (2557007552).

The spelling of 2104003540 in words is "two billion, one hundred four million, three thousand, five hundred forty".