225173407740 has 48 divisors (see below), whose sum is σ = 640821380640. Its totient is φ = 59061876480.

The previous prime is 225173407691. The next prime is 225173407757. The reversal of 225173407740 is 47704371522.

It is a junction number, because it is equal to n+sod(n) for n = 225173407692 and 225173407701.

It is a congruent number.

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, 30757735 + ... + 30765054.

It is an arithmetic number, because the mean of its divisors is an integer number (13350445430).

Almost surely, 2^225173407740 is an apocalyptic number.

225173407740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225173407740 is an abundant number, since it is smaller than the sum of its proper divisors (415647972900).

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

225173407740 is a wasteful number, since it uses less digits than its factorization.

225173407740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61522862 (or 61522860 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 42.

The spelling of 225173407740 in words is "two hundred twenty-five billion, one hundred seventy-three million, four hundred seven thousand, seven hundred forty".