64653225440042 has 64 divisors (see below), whose sum is σ = 105971553192960. Its totient is φ = 29516137996800.

The previous prime is 64653225440003. The next prime is 64653225440057. The reversal of 64653225440042 is 24004452235646.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7370567 + ... + 13551077.

It is an arithmetic number, because the mean of its divisors is an integer number (1655805518640).

Almost surely, 2^{64653225440042} is an apocalyptic number.

64653225440042 is a deficient number, since it is larger than the sum of its proper divisors (41318327752918).

64653225440042 is a wasteful number, since it uses less digits than its factorization.

64653225440042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6180719.

The product of its (nonzero) digits is 5529600, while the sum is 47.

Adding to 64653225440042 its reverse (24004452235646), we get a palindrome (88657677675688).

The spelling of 64653225440042 in words is "sixty-four trillion, six hundred fifty-three billion, two hundred twenty-five million, four hundred forty thousand, forty-two".