1030303040 has 112 divisors (see below), whose sum is σ = 2692560528. Its totient is φ = 373161984.

The previous prime is 1030303033. The next prime is 1030303067. The reversal of 1030303040 is 403030301.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 19571776 + 1010731264 = 4424^2 + 31792^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218144 + ... + 222816.

It is an arithmetic number, because the mean of its divisors is an integer number (24040719).

Almost surely, 2^1030303040 is an apocalyptic number.

1030303040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1030303040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1346280264).

1030303040 is an abundant number, since it is smaller than the sum of its proper divisors (1662257488).

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

1030303040 is a wasteful number, since it uses less digits than its factorization.

1030303040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4756 (or 4746 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 1030303040 is about 32098.3339131488. Note that the first 3 decimals coincide. The cubic root of 1030303040 is about 1010.0006666009. Note that the first 3 decimals are identical.

Adding to 1030303040 its reverse (403030301), we get a palindrome (1433333341).

The spelling of 1030303040 in words is "one billion, thirty million, three hundred three thousand, forty".