10400396859 has 24 divisors (see below), whose sum is σ = 15719953392. Its totient is φ = 6618905280.

The previous prime is 10400396807. The next prime is 10400396893. The reversal of 10400396859 is 95869300401.

It is a happy number.

It is not a de Polignac number, because 10400396859 - 2⁸ = 10400396603 is a prime.

It is a super-3 number, since 3×10400396859³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (10400396659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 276997 + ... + 312294.

It is an arithmetic number, because the mean of its divisors is an integer number (654998058).

Almost surely, 2^10400396859 is an apocalyptic number.

10400396859 is a deficient number, since it is larger than the sum of its proper divisors (5319556533).

10400396859 is a wasteful number, since it uses less digits than its factorization.

10400396859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589387 (or 589384 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 10400396859 in words is "ten billion, four hundred million, three hundred ninety-six thousand, eight hundred fifty-nine".