10400043002 has 8 divisors (see below), whose sum is σ = 15638207700. Its totient is φ = 5187307104.

The previous prime is 10400042993. The next prime is 10400043011. The reversal of 10400043002 is 20034000401.

It is an interprime number because it is at equal distance from previous prime (10400042993) and next prime (10400043011).

It can be written as a sum of positive squares in 2 ways, for example, as 10031825281 + 368217721 = 100159^2 + 19189^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6356177 + ... + 6357812.

Almost surely, 2^10400043002 is an apocalyptic number.

10400043002 is a deficient number, since it is larger than the sum of its proper divisors (5238164698).

10400043002 is a wasteful number, since it uses less digits than its factorization.

10400043002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12714400.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 10400043002 its reverse (20034000401), we get a palindrome (30434043403).

The spelling of 10400043002 in words is "ten billion, four hundred million, forty-three thousand, two".