1825460840 has 64 divisors (see below), whose sum is σ = 4704514560. Its totient is φ = 624476160.

The previous prime is 1825460809. The next prime is 1825460851. The reversal of 1825460840 is 480645281.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1825460794 and 1825460803.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122600 + ... + 136680.

It is an arithmetic number, because the mean of its divisors is an integer number (73508040).

Almost surely, 2^1825460840 is an apocalyptic number.

1825460840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1825460840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2352257280).

1825460840 is an abundant number, since it is smaller than the sum of its proper divisors (2879053720).

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

1825460840 is a wasteful number, since it uses less digits than its factorization.

1825460840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14562 (or 14558 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 1825460840 is about 42725.4121103589. The cubic root of 1825460840 is about 1222.1490474587.

The spelling of 1825460840 in words is "one billion, eight hundred twenty-five million, four hundred sixty thousand, eight hundred forty".