854215340 has 48 divisors (see below), whose sum is σ = 1983774240. Its totient is φ = 306362880.

The previous prime is 854215291. The next prime is 854215367. The reversal of 854215340 is 43512458.

854215340 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 = 854215297 and 854215306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10535 + ... + 42654.

It is an arithmetic number, because the mean of its divisors is an integer number (41328630).

Almost surely, 2^854215340 is an apocalyptic number.

It is an amenable number.

854215340 is an abundant number, since it is smaller than the sum of its proper divisors (1129558900).

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

854215340 is a wasteful number, since it uses less digits than its factorization.

854215340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53282 (or 53280 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 854215340 is about 29226.9625517261. The cubic root of 854215340 is about 948.8315607135.

Adding to 854215340 its reverse (43512458), we get a palindrome (897727798).

The spelling of 854215340 in words is "eight hundred fifty-four million, two hundred fifteen thousand, three hundred forty".