2130404340 has 24 divisors (see below), whose sum is σ = 5965132320. Its totient is φ = 568107808.

The previous prime is 2130404323. The next prime is 2130404357. The reversal of 2130404340 is 434040312.

It is an interprime number because it is at equal distance from previous prime (2130404323) and next prime (2130404357).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17753310 + ... + 17753429.

It is an arithmetic number, because the mean of its divisors is an integer number (248547180).

Almost surely, 2^2130404340 is an apocalyptic number.

2130404340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130404340 is an abundant number, since it is smaller than the sum of its proper divisors (3834727980).

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

2130404340 is a wasteful number, since it uses less digits than its factorization.

2130404340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35506751 (or 35506749 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2130404340 is about 46156.3033615128. The cubic root of 2130404340 is about 1286.7297613143.

Adding to 2130404340 its reverse (434040312), we get a palindrome (2564444652).

The spelling of 2130404340 in words is "two billion, one hundred thirty million, four hundred four thousand, three hundred forty".