61344563440622 has 64 divisors (see below), whose sum is σ = 114962319636480. Its totient is φ = 23850527500800.

The previous prime is 61344563440603. The next prime is 61344563440637. The reversal of 61344563440622 is 22604436544316.

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 31 ways as a sum of consecutive naturals, for example, 141339968 + ... + 141773324.

It is an arithmetic number, because the mean of its divisors is an integer number (1796286244320).

Almost surely, 2^{61344563440622} is an apocalyptic number.

61344563440622 is a deficient number, since it is larger than the sum of its proper divisors (53617756195858).

61344563440622 is a wasteful number, since it uses less digits than its factorization.

61344563440622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435297.

The product of its (nonzero) digits is 9953280, while the sum is 50.

Adding to 61344563440622 its reverse (22604436544316), we get a palindrome (83948999984938).

The spelling of 61344563440622 in words is "sixty-one trillion, three hundred forty-four billion, five hundred sixty-three million, four hundred forty thousand, six hundred twenty-two".