225025757140 has 24 divisors (see below), whose sum is σ = 485325823752. Its totient is φ = 87577591680.

The previous prime is 225025757137. The next prime is 225025757171. The reversal of 225025757140 is 41757520522.

It can be written as a sum of positive squares in 4 ways, for example, as 117905703876 + 107120053264 = 343374^2 + 327292^2 .

It is a junction number, because it is equal to n+sod(n) for n = 225025757093 and 225025757102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152043691 + ... + 152045170.

It is an arithmetic number, because the mean of its divisors is an integer number (20221909323).

Almost surely, 2^225025757140 is an apocalyptic number.

225025757140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225025757140 is an abundant number, since it is smaller than the sum of its proper divisors (260300066612).

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

225025757140 is a wasteful number, since it uses less digits than its factorization.

225025757140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304088907 (or 304088905 counting only the distinct ones).

The product of its (nonzero) digits is 196000, while the sum is 40.

The spelling of 225025757140 in words is "two hundred twenty-five billion, twenty-five million, seven hundred fifty-seven thousand, one hundred forty".