1490818880 has 28 divisors (see below), whose sum is σ = 3550013220. Its totient is φ = 596327424.

The previous prime is 1490818877. The next prime is 1490818891. The reversal of 1490818880 is 888180941.

It can be written as a sum of positive squares in 2 ways, for example, as 250652224 + 1240166656 = 15832^2 + 35216^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2329085 + ... + 2329724.

Almost surely, 2^1490818880 is an apocalyptic number.

1490818880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1490818880 is an abundant number, since it is smaller than the sum of its proper divisors (2059194340).

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

1490818880 is an equidigital number, since it uses as much as digits as its factorization.

1490818880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4658826 (or 4658816 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 47.

The square root of 1490818880 is about 38611.1237857693. The cubic root of 1490818880 is about 1142.3739593172.

The spelling of 1490818880 in words is "one billion, four hundred ninety million, eight hundred eighteen thousand, eight hundred eighty".