130216440 has 32 divisors (see below), whose sum is σ = 390649680. Its totient is φ = 34724352.

The previous prime is 130216439. The next prime is 130216453. The reversal of 130216440 is 44612031.

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, 542449 + ... + 542688.

Almost surely, 2^130216440 is an apocalyptic number.

130216440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130216440 is an abundant number, since it is smaller than the sum of its proper divisors (260433240).

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

130216440 is a wasteful number, since it uses less digits than its factorization.

130216440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085151 (or 1085147 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 130216440 is about 11411.2418254982. The cubic root of 130216440 is about 506.8606847748.

Adding to 130216440 its reverse (44612031), we get a palindrome (174828471).

The spelling of 130216440 in words is "one hundred thirty million, two hundred sixteen thousand, four hundred forty".