853846155540 has 72 divisors (see below), whose sum is σ = 2960000010240. Its totient is φ = 195164835264.

The previous prime is 853846155529. The next prime is 853846155541. The reversal of 853846155540 is 45551648358.

853846155540 is a `hidden beast` number, since 8 + 5 + 3 + 8 + 46 + 1 + 55 + 540 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853846155541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 338826580 + ... + 338829099.

Almost surely, 2^853846155540 is an apocalyptic number.

It is an amenable number.

853846155540 is an abundant number, since it is smaller than the sum of its proper divisors (2106153854700).

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

853846155540 is a wasteful number, since it uses less digits than its factorization.

853846155540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677655701 (or 677655696 counting only the distinct ones).

The product of its (nonzero) digits is 11520000, while the sum is 54.

The spelling of 853846155540 in words is "eight hundred fifty-three billion, eight hundred forty-six million, one hundred fifty-five thousand, five hundred forty".