495914019840 has 352 divisors, whose sum is σ = 1766782403520. Its totient is φ = 131914137600.

The previous prime is 495914019761. The next prime is 495914019851. The reversal of 495914019840 is 48910419594.

495914019840 is a `hidden beast` number, since 4 + 9 + 591 + 4 + 0 + 1 + 9 + 8 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 31 ways as a sum of consecutive naturals, for example, 58194780 + ... + 58203300.

Almost surely, 2^495914019840 is an apocalyptic number.

495914019840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 495914019840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (883391201760).

495914019840 is an abundant number, since it is smaller than the sum of its proper divisors (1270868383680).

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

495914019840 is a wasteful number, since it uses less digits than its factorization.

495914019840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8976 (or 8952 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The spelling of 495914019840 in words is "four hundred ninety-five billion, nine hundred fourteen million, nineteen thousand, eight hundred forty".