488442542248661 has 32 divisors (see below), whose sum is σ = 655968656179200. Its totient is φ = 351242826137280.

The previous prime is 488442542248607. The next prime is 488442542248697. The reversal of 488442542248661 is 166842245244884.

It is a de Polignac number, because none of the positive numbers 2^k-488442542248661 is a prime.

It is a super-2 number, since 2×488442542248661² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 488442542248591 and 488442542248600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488442542248261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54499331 + ... + 62825648.

It is an arithmetic number, because the mean of its divisors is an integer number (20499020505600).

Almost surely, 2^{488442542248661} is an apocalyptic number.

It is an amenable number.

488442542248661 is a deficient number, since it is larger than the sum of its proper divisors (167526113930539).

488442542248661 is a wasteful number, since it uses less digits than its factorization.

488442542248661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117329169.

The product of its digits is 754974720, while the sum is 68.

The spelling of 488442542248661 in words is "four hundred eighty-eight trillion, four hundred forty-two billion, five hundred forty-two million, two hundred forty-eight thousand, six hundred sixty-one".