1725228040 has 32 divisors (see below), whose sum is σ = 3928538880. Its totient is φ = 681775552.

The previous prime is 1725228031. The next prime is 1725228073. The reversal of 1725228040 is 408225271.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1725227993 and 1725228011.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 256504 + ... + 263143.

It is an arithmetic number, because the mean of its divisors is an integer number (122766840).

Almost surely, 2^1725228040 is an apocalyptic number.

1725228040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1725228040 is an abundant number, since it is smaller than the sum of its proper divisors (2203310840).

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

1725228040 is a wasteful number, since it uses less digits than its factorization.

1725228040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519741 (or 519737 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 1725228040 is about 41535.8645028607. The cubic root of 1725228040 is about 1199.3579991830.

The spelling of 1725228040 in words is "one billion, seven hundred twenty-five million, two hundred twenty-eight thousand, forty".