1030400140 has 48 divisors (see below), whose sum is σ = 2697778944. Its totient is φ = 321163200.

The previous prime is 1030400117. The next prime is 1030400159. The reversal of 1030400140 is 410040301.

1030400140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1030400140.

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, 333006 + ... + 336085.

It is an arithmetic number, because the mean of its divisors is an integer number (56203728).

Almost surely, 2^1030400140 is an apocalyptic number.

1030400140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030400140 is an abundant number, since it is smaller than the sum of its proper divisors (1667378804).

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

1030400140 is a wasteful number, since it uses less digits than its factorization.

1030400140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669118 (or 669116 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1030400140 is about 32099.8464170781. The cubic root of 1030400140 is about 1010.0323944778.

Adding to 1030400140 its reverse (410040301), we get a palindrome (1440440441).

The spelling of 1030400140 in words is "one billion, thirty million, four hundred thousand, one hundred forty".