1040303300240 has 20 divisors (see below), whose sum is σ = 2418705173244. Its totient is φ = 416121320064.

The previous prime is 1040303300213. The next prime is 1040303300249. The reversal of 1040303300240 is 420033030401.

1040303300240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 313492489216 + 726810811024 = 559904^2 + 852532^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1040303300249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6501895547 + ... + 6501895706.

Almost surely, 2^{1040303300240} is an apocalyptic number.

1040303300240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040303300240 is an abundant number, since it is smaller than the sum of its proper divisors (1378401873004).

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

1040303300240 is a wasteful number, since it uses less digits than its factorization.

1040303300240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13003791266 (or 13003791260 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 1040303300240 its reverse (420033030401), we get a palindrome (1460336330641).

The spelling of 1040303300240 in words is "one trillion, forty billion, three hundred three million, three hundred thousand, two hundred forty".