498085851390 has 64 divisors (see below), whose sum is σ = 1259751709440. Its totient is φ = 125689259520.

The previous prime is 498085851343. The next prime is 498085851391. The reversal of 498085851390 is 93158580894.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498085851391) 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, 6237 + ... + 998103.

It is an arithmetic number, because the mean of its divisors is an integer number (19683620460).

Almost surely, 2^498085851390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 498085851390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (629875854720).

498085851390 is an abundant number, since it is smaller than the sum of its proper divisors (761665858050).

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

498085851390 is a wasteful number, since it uses less digits than its factorization.

498085851390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992777.

The product of its (nonzero) digits is 12441600, while the sum is 60.

The spelling of 498085851390 in words is "four hundred ninety-eight billion, eighty-five million, eight hundred fifty-one thousand, three hundred ninety".