495871021552 has 20 divisors (see below), whose sum is σ = 960770303640. Its totient is φ = 247930298048.

The previous prime is 495871021511. The next prime is 495871021627. The reversal of 495871021552 is 255120178594.

It is a junction number, because it is equal to n+sod(n) for n = 495871021496 and 495871021505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526578 + ... + 1126510.

It is an arithmetic number, because the mean of its divisors is an integer number (48038515182).

Almost surely, 2^495871021552 is an apocalyptic number.

It is an amenable number.

495871021552 is a deficient number, since it is larger than the sum of its proper divisors (464899282088).

495871021552 is a wasteful number, since it uses less digits than its factorization.

495871021552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651600 (or 651594 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 49.

The spelling of 495871021552 in words is "four hundred ninety-five billion, eight hundred seventy-one million, twenty-one thousand, five hundred fifty-two".