495901783040 has 352 divisors, whose sum is σ = 1307355033600. Its totient is φ = 179731169280.

The previous prime is 495901783037. The next prime is 495901783129. The reversal of 495901783040 is 40387109594.

It is a self number, because there is not a number n which added to its sum of digits gives 495901783040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 281921681 + ... + 281923439.

It is an arithmetic number, because the mean of its divisors is an integer number (3714076800).

Almost surely, 2^495901783040 is an apocalyptic number.

495901783040 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 495901783040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (653677516800).

495901783040 is an abundant number, since it is smaller than the sum of its proper divisors (811453250560).

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

495901783040 is a wasteful number, since it uses less digits than its factorization.

495901783040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921 (or 1903 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 495901783040 in words is "four hundred ninety-five billion, nine hundred one million, seven hundred eighty-three thousand, forty".