1490001490 has 32 divisors (see below), whose sum is σ = 2727010800. Its totient is φ = 586080000.

The previous prime is 1490001463. The next prime is 1490001497. The reversal of 1490001490 is 941000941.

It can be written as a sum of positive squares in 8 ways, for example, as 1160833041 + 329168449 = 34071^2 + 18143^2 .

It is not an unprimeable number, because it can be changed into a prime (1490001497) 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 15 ways as a sum of consecutive naturals, for example, 145540 + ... + 155440.

Almost surely, 2^1490001490 is an apocalyptic number.

1490001490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1490001490 is a deficient number, since it is larger than the sum of its proper divisors (1237009310).

1490001490 is a wasteful number, since it uses less digits than its factorization.

1490001490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10158.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1490001490 is about 38600.5374314918. The cubic root of 1490001490 is about 1142.1651399068.

It can be divided in two parts, 149000 and 1490, that multiplied together give a square (222010000 = 14900²).

The spelling of 1490001490 in words is "one billion, four hundred ninety million, one thousand, four hundred ninety".