10400043004 has 18 divisors (see below), whose sum is σ = 19707775080. Its totient is φ = 4800019536.

The previous prime is 10400042993. The next prime is 10400043011. The reversal of 10400043004 is 40034000401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7691664 + ... + 7693015.

Almost surely, 2^10400043004 is an apocalyptic number.

It is an amenable number.

10400043004 is a deficient number, since it is larger than the sum of its proper divisors (9307732076).

10400043004 is a wasteful number, since it uses less digits than its factorization.

10400043004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15384709 (or 15384694 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 10400043004 its reverse (40034000401), we get a palindrome (50434043405).

The spelling of 10400043004 in words is "ten billion, four hundred million, forty-three thousand, four".