61265236230 has 96 divisors (see below), whose sum is σ = 174263749920. Its totient is φ = 14810019840.

The previous prime is 61265236217. The next prime is 61265236231. The reversal of 61265236230 is 3263256216.

61265236230 is a `hidden beast` number, since 6 + 1 + 2 + 6 + 5 + 23 + 623 + 0 = 666.

It is a super-2 number, since 2×61265236230² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61265236231) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 261816 + ... + 437124.

It is an arithmetic number, because the mean of its divisors is an integer number (1815247395).

Almost surely, 2^61265236230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61265236230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87131874960).

61265236230 is an abundant number, since it is smaller than the sum of its proper divisors (112998513690).

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

61265236230 is a wasteful number, since it uses less digits than its factorization.

61265236230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175686 (or 175683 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 61265236230 in words is "sixty-one billion, two hundred sixty-five million, two hundred thirty-six thousand, two hundred thirty".