2103409340 has 24 divisors (see below), whose sum is σ = 4609211040. Its totient is φ = 804782528.

The previous prime is 2103409339. The next prime is 2103409349. The reversal of 2103409340 is 439043012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103409349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2285855 + ... + 2286774.

It is an arithmetic number, because the mean of its divisors is an integer number (192050460).

Almost surely, 2^2103409340 is an apocalyptic number.

2103409340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103409340 is an abundant number, since it is smaller than the sum of its proper divisors (2505801700).

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

2103409340 is a wasteful number, since it uses less digits than its factorization.

2103409340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4572661 (or 4572659 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 2103409340 is about 45862.9408128175. The cubic root of 2103409340 is about 1281.2717950209.

The spelling of 2103409340 in words is "two billion, one hundred three million, four hundred nine thousand, three hundred forty".