496621240 has 128 divisors (see below), whose sum is σ = 1231718400. Its totient is φ = 179504640.

The previous prime is 496621211. The next prime is 496621241. The reversal of 496621240 is 42126694.

It is a junction number, because it is equal to n+sod(n) for n = 496621196 and 496621205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (496621241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2520822 + ... + 2521018.

It is an arithmetic number, because the mean of its divisors is an integer number (9622800).

Almost surely, 2^496621240 is an apocalyptic number.

496621240 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 496621240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (615859200).

496621240 is an abundant number, since it is smaller than the sum of its proper divisors (735097160).

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

496621240 is a wasteful number, since it uses less digits than its factorization.

496621240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 496621240 is about 22285.0003365492. Note that the first 3 decimals coincide. The cubic root of 496621240 is about 791.9086680044.

The spelling of 496621240 in words is "four hundred ninety-six million, six hundred twenty-one thousand, two hundred forty".