1630383140 has 24 divisors (see below), whose sum is σ = 3443602680. Its totient is φ = 648382208.

The previous prime is 1630383109. The next prime is 1630383197. The reversal of 1630383140 is 413830361.

It can be written as a sum of positive squares in 4 ways, for example, as 179077924 + 1451305216 = 13382^2 + 38096^2 .

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, 232145 + ... + 239064.

It is an arithmetic number, because the mean of its divisors is an integer number (143483445).

Almost surely, 2^1630383140 is an apocalyptic number.

1630383140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1630383140 is an abundant number, since it is smaller than the sum of its proper divisors (1813219540).

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

1630383140 is a wasteful number, since it uses less digits than its factorization.

1630383140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471391 (or 471389 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 1630383140 is about 40378.0031700430. The cubic root of 1630383140 is about 1176.9641246365.

The spelling of 1630383140 in words is "one billion, six hundred thirty million, three hundred eighty-three thousand, one hundred forty".