61642342500030 has 96 divisors (see below), whose sum is σ = 160657785288000. Its totient is φ = 16398204996096.

The previous prime is 61642342500023. The next prime is 61642342500043. The reversal of 61642342500030 is 3000524324616.

61642342500030 is a `hidden beast` number, since 6 + 1 + 64 + 23 + 42 + 500 + 0 + 30 = 666.

61642342500030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×61642342500030⁴ (a number of 56 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 290252842 + ... + 290465138.

It is an arithmetic number, because the mean of its divisors is an integer number (1673518596750).

Almost surely, 2^{61642342500030} is an apocalyptic number.

61642342500030 is an abundant number, since it is smaller than the sum of its proper divisors (99015442787970).

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

61642342500030 is a wasteful number, since it uses less digits than its factorization.

61642342500030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220098 (or 220095 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 61642342500030 its reverse (3000524324616), we get a palindrome (64642866824646).

The spelling of 61642342500030 in words is "sixty-one trillion, six hundred forty-two billion, three hundred forty-two million, five hundred thousand, thirty".