825940470 has 64 divisors (see below), whose sum is σ = 2029224960. Its totient is φ = 215094528.

The previous prime is 825940463. The next prime is 825940501. The reversal of 825940470 is 74049528.

It is a congruent number.

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, 219747 + ... + 223473.

It is an arithmetic number, because the mean of its divisors is an integer number (31706640).

Almost surely, 2^825940470 is an apocalyptic number.

825940470 is an abundant number, since it is smaller than the sum of its proper divisors (1203284490).

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

825940470 is a wasteful number, since it uses less digits than its factorization.

825940470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3909.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 825940470 is about 28739.1800509340. The cubic root of 825940470 is about 938.2449786948.

Adding to 825940470 its reverse (74049528), we get a palindrome (899989998).

The spelling of 825940470 in words is "eight hundred twenty-five million, nine hundred forty thousand, four hundred seventy".