853211240 has 32 divisors (see below), whose sum is σ = 2193972480. Its totient is φ = 292529472.

The previous prime is 853211239. The next prime is 853211263. The reversal of 853211240 is 42112358.

It is a super-3 number, since 3×853211240³ (a number of 28 digits) contains 333 as substring.

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, 1523312 + ... + 1523871.

It is an arithmetic number, because the mean of its divisors is an integer number (68561640).

Almost surely, 2^853211240 is an apocalyptic number.

It is an amenable number.

853211240 is an abundant number, since it is smaller than the sum of its proper divisors (1340761240).

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

853211240 is a wasteful number, since it uses less digits than its factorization.

853211240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3047201 (or 3047197 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 853211240 is about 29209.7798690781. The cubic root of 853211240 is about 948.4596422731.

Adding to 853211240 its reverse (42112358), we get a palindrome (895323598).

The spelling of 853211240 in words is "eight hundred fifty-three million, two hundred eleven thousand, two hundred forty".