10331400394 has 24 divisors (see below), whose sum is σ = 18648873540. Its totient is φ = 4275061056.

The previous prime is 10331400377. The next prime is 10331400421. The reversal of 10331400394 is 49300413301.

10331400394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10244071369 + 87329025 = 101213^2 + 9345^2 .

It is a super-2 number, since 2×10331400394² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1814787 + ... + 1820470.

Almost surely, 2^10331400394 is an apocalyptic number.

10331400394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

10331400394 is a deficient number, since it is larger than the sum of its proper divisors (8317473146).

10331400394 is a wasteful number, since it uses less digits than its factorization.

10331400394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3635302 (or 3635295 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 10331400394 its reverse (49300413301), we get a palindrome (59631813695).

The spelling of 10331400394 in words is "ten billion, three hundred thirty-one million, four hundred thousand, three hundred ninety-four".