225257035740 has 192 divisors, whose sum is σ = 736549632000. Its totient is φ = 50856664320.

The previous prime is 225257035727. The next prime is 225257035793. The reversal of 225257035740 is 47530752522.

It is a junction number, because it is equal to n+sod(n) for n = 225257035692 and 225257035701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 587631 + ... + 892089.

It is an arithmetic number, because the mean of its divisors is an integer number (3836196000).

Almost surely, 2^225257035740 is an apocalyptic number.

225257035740 is a gapful number since it is divisible by the number (20) 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 225257035740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368274816000).

225257035740 is an abundant number, since it is smaller than the sum of its proper divisors (511292596260).

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

225257035740 is a wasteful number, since it uses less digits than its factorization.

225257035740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304560 (or 304558 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 42.

The spelling of 225257035740 in words is "two hundred twenty-five billion, two hundred fifty-seven million, thirty-five thousand, seven hundred forty".