1487940490 has 16 divisors (see below), whose sum is σ = 2678734152. Its totient is φ = 595078144.

The previous prime is 1487940473. The next prime is 1487940547. The reversal of 1487940490 is 940497841.

It can be written as a sum of positive squares in 4 ways, for example, as 1397937321 + 90003169 = 37389^2 + 9487^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1487940490.

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 7 ways as a sum of consecutive naturals, for example, 103842 + ... + 117298.

Almost surely, 2^1487940490 is an apocalyptic number.

1487940490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1487940490 is a deficient number, since it is larger than the sum of its proper divisors (1190793662).

1487940490 is a wasteful number, since it uses less digits than its factorization.

1487940490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24521.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 1487940490 is about 38573.8316738174. The cubic root of 1487940490 is about 1141.6382749849.

The spelling of 1487940490 in words is "one billion, four hundred eighty-seven million, nine hundred forty thousand, four hundred ninety".