256526061447452 has 12 divisors (see below), whose sum is σ = 450933704429376. Its totient is φ = 127687860181920.

The previous prime is 256526061447443. The next prime is 256526061447479. The reversal of 256526061447452 is 254744160625652.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 256526061447391 and 256526061447400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143792634449 + ... + 143792636232.

It is an arithmetic number, because the mean of its divisors is an integer number (37577808702448).

Almost surely, 2^{256526061447452} is an apocalyptic number.

It is an amenable number.

256526061447452 is a deficient number, since it is larger than the sum of its proper divisors (194407642981924).

256526061447452 is a wasteful number, since it uses less digits than its factorization.

256526061447452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287585270908 (or 287585270906 counting only the distinct ones).

The product of its (nonzero) digits is 96768000, while the sum is 59.

The spelling of 256526061447452 in words is "two hundred fifty-six trillion, five hundred twenty-six billion, sixty-one million, four hundred forty-seven thousand, four hundred fifty-two".