10203302440 has 16 divisors (see below), whose sum is σ = 22957430580. Its totient is φ = 4081320960.

The previous prime is 10203302413. The next prime is 10203302449. The reversal of 10203302440 is 4420330201.

It can be written as a sum of positive squares in 2 ways, for example, as 8552180484 + 1651121956 = 92478^2 + 40634^2 .

It is not an unprimeable number, because it can be changed into a prime (10203302449) 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, 127541241 + ... + 127541320.

Almost surely, 2^10203302440 is an apocalyptic number.

10203302440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10203302440 is an abundant number, since it is smaller than the sum of its proper divisors (12754128140).

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

10203302440 is a wasteful number, since it uses less digits than its factorization.

10203302440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255082572 (or 255082568 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 10203302440 its reverse (4420330201), we get a palindrome (14623632641).

The spelling of 10203302440 in words is "ten billion, two hundred three million, three hundred two thousand, four hundred forty".