10399563400 has 48 divisors (see below), whose sum is σ = 24192804240. Its totient is φ = 4157448000.

The previous prime is 10399563319. The next prime is 10399563401. The reversal of 10399563400 is 436599301.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (10399563401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 359475 + ... + 387325.

It is an arithmetic number, because the mean of its divisors is an integer number (504016755).

Almost surely, 2^10399563400 is an apocalyptic number.

10399563400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10399563400 is an abundant number, since it is smaller than the sum of its proper divisors (13793240840).

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

10399563400 is a wasteful number, since it uses less digits than its factorization.

10399563400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29734 (or 29725 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 40.

The spelling of 10399563400 in words is "ten billion, three hundred ninety-nine million, five hundred sixty-three thousand, four hundred".