853229100420 has 72 divisors (see below), whose sum is σ = 2597471846424. Its totient is φ = 226706347008.

The previous prime is 853229100403. The next prime is 853229100461. The reversal of 853229100420 is 24001922358.

It is a happy number.

853229100420 is a `hidden beast` number, since 8 + 5 + 3 + 229 + 1 + 0 + 0 + 420 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 384238404 + 852844862016 = 19602^2 + 923496^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 8506389 + ... + 8606108.

It is an arithmetic number, because the mean of its divisors is an integer number (36075997867).

Almost surely, 2^853229100420 is an apocalyptic number.

It is an amenable number.

853229100420 is an abundant number, since it is smaller than the sum of its proper divisors (1744242746004).

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

853229100420 is a wasteful number, since it uses less digits than its factorization.

853229100420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17112789 (or 17112784 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 853229100420 in words is "eight hundred fifty-three billion, two hundred twenty-nine million, one hundred thousand, four hundred twenty".