1490487620 has 12 divisors (see below), whose sum is σ = 3130024044. Its totient is φ = 596195040.

The previous prime is 1490487617. The next prime is 1490487643. The reversal of 1490487620 is 267840941.

It can be written as a sum of positive squares in 2 ways, for example, as 694006336 + 796481284 = 26344^2 + 28222^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

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, 37262171 + ... + 37262210.

It is an arithmetic number, because the mean of its divisors is an integer number (260835337).

Almost surely, 2^1490487620 is an apocalyptic number.

1490487620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1490487620 is an abundant number, since it is smaller than the sum of its proper divisors (1639536424).

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

1490487620 is a wasteful number, since it uses less digits than its factorization.

1490487620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74524390 (or 74524388 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 1490487620 is about 38606.8338510166. The cubic root of 1490487620 is about 1142.2893412068.

The spelling of 1490487620 in words is "one billion, four hundred ninety million, four hundred eighty-seven thousand, six hundred twenty".