1030620640 has 48 divisors (see below), whose sum is σ = 2782678752. Its totient is φ = 353355264.

The previous prime is 1030620587. The next prime is 1030620641. The reversal of 1030620640 is 460260301.

1030620640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030620641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458979 + ... + 461218.

It is an arithmetic number, because the mean of its divisors is an integer number (57972474).

Almost surely, 2^1030620640 is an apocalyptic number.

1030620640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030620640 is an abundant number, since it is smaller than the sum of its proper divisors (1752058112).

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

1030620640 is an equidigital number, since it uses as much as digits as its factorization.

1030620640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920219 (or 920211 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1030620640 is about 32103.2808292237. The cubic root of 1030620640 is about 1010.1044364771.

Adding to 1030620640 its reverse (460260301), we get a palindrome (1490880941).

The spelling of 1030620640 in words is "one billion, thirty million, six hundred twenty thousand, six hundred forty".