213474815340 has 48 divisors (see below), whose sum is σ = 606148220160. Its totient is φ = 56124832960.

The previous prime is 213474815339. The next prime is 213474815363. The reversal of 213474815340 is 43518474312.

213474815340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 213474815292 and 213474815301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25051470 + ... + 25059989.

It is an arithmetic number, because the mean of its divisors is an integer number (12628087920).

Almost surely, 2^213474815340 is an apocalyptic number.

213474815340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213474815340 is an abundant number, since it is smaller than the sum of its proper divisors (392673404820).

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

213474815340 is a wasteful number, since it uses less digits than its factorization.

213474815340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50111542 (or 50111540 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 213474815340 in words is "two hundred thirteen billion, four hundred seventy-four million, eight hundred fifteen thousand, three hundred forty".