843522800040 has 96 divisors (see below), whose sum is σ = 2742795993600. Its totient is φ = 224828899200.

The previous prime is 843522800039. The next prime is 843522800041. The reversal of 843522800040 is 40008225348.

It is an interprime number because it is at equal distance from previous prime (843522800039) and next prime (843522800041).

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

It is a junction number, because it is equal to n+sod(n) for n = 843522799968 and 843522800004.

It is not an unprimeable number, because it can be changed into a prime (843522800041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159465 + ... + 1308615.

It is an arithmetic number, because the mean of its divisors is an integer number (28570791600).

Almost surely, 2^843522800040 is an apocalyptic number.

It is an amenable number.

843522800040 is an abundant number, since it is smaller than the sum of its proper divisors (1899273193560).

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

843522800040 is a wasteful number, since it uses less digits than its factorization.

843522800040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151207 (or 1151200 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The spelling of 843522800040 in words is "eight hundred forty-three billion, five hundred twenty-two million, eight hundred thousand, forty".