10203253440 has 112 divisors (see below), whose sum is σ = 33185587680. Its totient is φ = 2654494720.

The previous prime is 10203253429. The next prime is 10203253451. The reversal of 10203253440 is 4435230201.

It is an interprime number because it is at equal distance from previous prime (10203253429) and next prime (10203253451).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 10203253440.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90255 + ... + 168974.

It is an arithmetic number, because the mean of its divisors is an integer number (296299890).

Almost surely, 2^10203253440 is an apocalyptic number.

10203253440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10203253440 is an abundant number, since it is smaller than the sum of its proper divisors (22982334240).

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

10203253440 is a wasteful number, since it uses less digits than its factorization.

10203253440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259290 (or 259280 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 10203253440 its reverse (4435230201), we get a palindrome (14638483641).

The spelling of 10203253440 in words is "ten billion, two hundred three million, two hundred fifty-three thousand, four hundred forty".