492639957810 has 864 divisors, whose sum is σ = 1802450797056. Its totient is φ = 92420697600.

The previous prime is 492639957809. The next prime is 492639957847. The reversal of 492639957810 is 18759936294.

492639957810 is a `hidden beast` number, since 4 + 9 + 26 + 39 + 9 + 578 + 1 + 0 = 666.

It is a super-2 number, since 2×492639957810² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 326034955 + ... + 326036465.

It is an arithmetic number, because the mean of its divisors is an integer number (2086169904).

It is a 1-persistent number, because it is pandigital, but 2⋅492639957810 = 985279915620 is not.

Almost surely, 2^492639957810 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 492639957810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (901225398528).

492639957810 is an abundant number, since it is smaller than the sum of its proper divisors (1309810839246).

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

492639957810 is a wasteful number, since it uses less digits than its factorization.

492639957810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620 (or 1599 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 63.

The spelling of 492639957810 in words is "four hundred ninety-two billion, six hundred thirty-nine million, nine hundred fifty-seven thousand, eight hundred ten".