834620753540 has 24 divisors (see below), whose sum is σ = 2003089808832. Its totient is φ = 286155686880.

The previous prime is 834620753479. The next prime is 834620753557. The reversal of 834620753540 is 45357026438.

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, 2980788266 + ... + 2980788545.

It is an arithmetic number, because the mean of its divisors is an integer number (83462075368).

Almost surely, 2^834620753540 is an apocalyptic number.

It is an amenable number.

834620753540 is an abundant number, since it is smaller than the sum of its proper divisors (1168469055292).

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

834620753540 is a wasteful number, since it uses less digits than its factorization.

834620753540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5961576827 (or 5961576825 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 47.

Adding to 834620753540 its reverse (45357026438), we get a palindrome (879977779978).

The spelling of 834620753540 in words is "eight hundred thirty-four billion, six hundred twenty million, seven hundred fifty-three thousand, five hundred forty".