340400065256225 has 24 divisors (see below), whose sum is σ = 454993441415352. Its totient is φ = 251135435404800.

The previous prime is 340400065256177. The next prime is 340400065256231. The reversal of 340400065256225 is 522652560004043.

It can be written as a sum of positive squares in 12 ways, for example, as 98494271127184 + 241905794129041 = 9924428^2 + 15553321^2 .

It is not a de Polignac number, because 340400065256225 - 2¹² = 340400065252129 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 493238972 + ... + 493928621.

It is an arithmetic number, because the mean of its divisors is an integer number (18958060058973).

Almost surely, 2^{340400065256225} is an apocalyptic number.

It is an amenable number.

340400065256225 is a deficient number, since it is larger than the sum of its proper divisors (114593376159127).

340400065256225 is a wasteful number, since it uses less digits than its factorization.

340400065256225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987168677 (or 987168672 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 44.

The spelling of 340400065256225 in words is "three hundred forty trillion, four hundred billion, sixty-five million, two hundred fifty-six thousand, two hundred twenty-five".