494745040402 has 8 divisors (see below), whose sum is σ = 759376108656. Its totient is φ = 241619670852.

The previous prime is 494745040357. The next prime is 494745040411. The reversal of 494745040402 is 204040547494.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×494745040402² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2876424568 + ... + 2876424739.

It is an arithmetic number, because the mean of its divisors is an integer number (94922013582).

Almost surely, 2^494745040402 is an apocalyptic number.

494745040402 is a deficient number, since it is larger than the sum of its proper divisors (264631068254).

494745040402 is a wasteful number, since it uses less digits than its factorization.

494745040402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5752849352.

The product of its (nonzero) digits is 645120, while the sum is 43.

Adding to 494745040402 its reverse (204040547494), we get a palindrome (698785587896).

The spelling of 494745040402 in words is "four hundred ninety-four billion, seven hundred forty-five million, forty thousand, four hundred two".