61452302323420 has 12 divisors (see below), whose sum is σ = 129049834879224. Its totient is φ = 24580920929360.

The previous prime is 61452302323393. The next prime is 61452302323487. The reversal of 61452302323420 is 2432320325416.

It is a super-2 number, since 2×61452302323420² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61452302323420.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1536307558066 + ... + 1536307558105.

It is an arithmetic number, because the mean of its divisors is an integer number (10754152906602).

Almost surely, 2^{61452302323420} is an apocalyptic number.

It is an amenable number.

61452302323420 is an abundant number, since it is smaller than the sum of its proper divisors (67597532555804).

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

61452302323420 is a wasteful number, since it uses less digits than its factorization.

61452302323420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3072615116180 (or 3072615116178 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 37.

Adding to 61452302323420 its reverse (2432320325416), we get a palindrome (63884622648836).

The spelling of 61452302323420 in words is "sixty-one trillion, four hundred fifty-two billion, three hundred two million, three hundred twenty-three thousand, four hundred twenty".