10402243400 has 24 divisors (see below), whose sum is σ = 24185216370. Its totient is φ = 4160897280.

The previous prime is 10402243399. The next prime is 10402243417. The reversal of 10402243400 is 434220401.

It can be written as a sum of positive squares in 3 ways, for example, as 10004400484 + 397842916 = 100022^2 + 19946^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26005409 + ... + 26005808.

Almost surely, 2^10402243400 is an apocalyptic number.

10402243400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10402243400 is an abundant number, since it is smaller than the sum of its proper divisors (13782972970).

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

10402243400 is a wasteful number, since it uses less digits than its factorization.

10402243400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52011233 (or 52011224 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 10402243400 its reverse (434220401), we get a palindrome (10836463801).

The spelling of 10402243400 in words is "ten billion, four hundred two million, two hundred forty-three thousand, four hundred".