825320102340 has 96 divisors (see below), whose sum is σ = 2321464755456. Its totient is φ = 219079618560.

The previous prime is 825320102333. The next prime is 825320102377. The reversal of 825320102340 is 43201023528.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 825320102298 and 825320102307.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38496264 + ... + 38517696.

It is an arithmetic number, because the mean of its divisors is an integer number (24181924536).

Almost surely, 2^825320102340 is an apocalyptic number.

It is an amenable number.

825320102340 is an abundant number, since it is smaller than the sum of its proper divisors (1496144653116).

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

825320102340 is a wasteful number, since it uses less digits than its factorization.

825320102340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24349 (or 24347 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 825320102340 its reverse (43201023528), we get a palindrome (868521125868).

The spelling of 825320102340 in words is "eight hundred twenty-five billion, three hundred twenty million, one hundred two thousand, three hundred forty".