61230440534356 has 12 divisors (see below), whose sum is σ = 113456404519668. Its totient is φ = 28814324957312.

The previous prime is 61230440534311. The next prime is 61230440534369. The reversal of 61230440534356 is 65343504403216.

It can be written as a sum of positive squares in 2 ways, for example, as 26023424931856 + 35207015602500 = 5101316^2 + 5933550^2 .

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, 450223827391 + ... + 450223827526.

It is an arithmetic number, because the mean of its divisors is an integer number (9454700376639).

Almost surely, 2^{61230440534356} is an apocalyptic number.

It is an amenable number.

61230440534356 is a deficient number, since it is larger than the sum of its proper divisors (52225963985312).

61230440534356 is a wasteful number, since it uses less digits than its factorization.

61230440534356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900447654938 (or 900447654936 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 46.

The spelling of 61230440534356 in words is "sixty-one trillion, two hundred thirty billion, four hundred forty million, five hundred thirty-four thousand, three hundred fifty-six".