853566040 has 16 divisors (see below), whose sum is σ = 1920523680. Its totient is φ = 341426400.

The previous prime is 853566037. The next prime is 853566053. The reversal of 853566040 is 40665358.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10669536 + ... + 10669615.

It is an arithmetic number, because the mean of its divisors is an integer number (120032730).

Almost surely, 2^853566040 is an apocalyptic number.

It is an amenable number.

853566040 is an abundant number, since it is smaller than the sum of its proper divisors (1066957640).

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

853566040 is a wasteful number, since it uses less digits than its factorization.

853566040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21339162 (or 21339158 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 853566040 is about 29215.8525461777. The cubic root of 853566040 is about 948.5910934428.

The spelling of 853566040 in words is "eight hundred fifty-three million, five hundred sixty-six thousand, forty".