1825507340 has 12 divisors (see below), whose sum is σ = 3833565456. Its totient is φ = 730202928.

The previous prime is 1825507339. The next prime is 1825507349. The reversal of 1825507340 is 437055281.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1825507340.

It is not an unprimeable number, because it can be changed into a prime (1825507349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45637664 + ... + 45637703.

It is an arithmetic number, because the mean of its divisors is an integer number (319463788).

Almost surely, 2^1825507340 is an apocalyptic number.

1825507340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1825507340 is an abundant number, since it is smaller than the sum of its proper divisors (2008058116).

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

1825507340 is a wasteful number, since it uses less digits than its factorization.

1825507340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91275376 (or 91275374 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 1825507340 is about 42725.9562795264. The cubic root of 1825507340 is about 1222.1594246462.

The spelling of 1825507340 in words is "one billion, eight hundred twenty-five million, five hundred seven thousand, three hundred forty".