1490866810 has 16 divisors (see below), whose sum is σ = 2695081896. Its totient is φ = 593786368.

The previous prime is 1490866777. The next prime is 1490866813. The reversal of 1490866810 is 186680941.

It can be written as a sum of positive squares in 4 ways, for example, as 1335390849 + 155475961 = 36543^2 + 12469^2 .

It is a super-2 number, since 2×1490866810² = 4445367690319152200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1490866813) 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 7 ways as a sum of consecutive naturals, for example, 317599 + ... + 322258.

Almost surely, 2^1490866810 is an apocalyptic number.

1490866810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1490866810 is a deficient number, since it is larger than the sum of its proper divisors (1204215086).

1490866810 is a wasteful number, since it uses less digits than its factorization.

1490866810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640097.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 1490866810 is about 38611.7444568359. The cubic root of 1490866810 is about 1142.3862016711.

It can be divided in two parts, 14908 and 66810, that added together give a palindrome (81718).

The spelling of 1490866810 in words is "one billion, four hundred ninety million, eight hundred sixty-six thousand, eight hundred ten".