494667940 has 24 divisors (see below), whose sum is σ = 1118711160. Its totient is φ = 182646528.

The previous prime is 494667919. The next prime is 494667941. The reversal of 494667940 is 49766494.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5992704 + 488675236 = 2448^2 + 22106^2 .

It is not an unprimeable number, because it can be changed into a prime (494667941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 951025 + ... + 951544.

It is an arithmetic number, because the mean of its divisors is an integer number (46612965).

Almost surely, 2^494667940 is an apocalyptic number.

It is an amenable number.

494667940 is an abundant number, since it is smaller than the sum of its proper divisors (624043220).

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

494667940 is a wasteful number, since it uses less digits than its factorization.

494667940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902591 (or 1902589 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 49.

The square root of 494667940 is about 22241.1317158098. The cubic root of 494667940 is about 790.8690644377.

The spelling of 494667940 in words is "four hundred ninety-four million, six hundred sixty-seven thousand, nine hundred forty".