225766526740 has 36 divisors (see below), whose sum is σ = 487269859356. Its totient is φ = 87865880832.

The previous prime is 225766526723. The next prime is 225766526747. The reversal of 225766526740 is 47625667522.

225766526740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 4939840656 + 220826686084 = 70284^2 + 469922^2 .

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225766526747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4095457 + ... + 4150216.

It is an arithmetic number, because the mean of its divisors is an integer number (13535273871).

Almost surely, 2^225766526740 is an apocalyptic number.

225766526740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225766526740 is an abundant number, since it is smaller than the sum of its proper divisors (261503332616).

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

225766526740 is a wasteful number, since it uses less digits than its factorization.

225766526740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8245756 (or 8245717 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 52.

The spelling of 225766526740 in words is "two hundred twenty-five billion, seven hundred sixty-six million, five hundred twenty-six thousand, seven hundred forty".