10403404400 has 60 divisors (see below), whose sum is σ = 26309681400. Its totient is φ = 3942339840.

The previous prime is 10403404399. The next prime is 10403404423. The reversal of 10403404400 is 440430401.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 676835 + ... + 692034.

It is an arithmetic number, because the mean of its divisors is an integer number (438494690).

Almost surely, 2^10403404400 is an apocalyptic number.

10403404400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10403404400 is an abundant number, since it is smaller than the sum of its proper divisors (15906277000).

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

10403404400 is a wasteful number, since it uses less digits than its factorization.

10403404400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368906 (or 1368895 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 10403404400 its reverse (440430401), we get a palindrome (10843834801).

The spelling of 10403404400 in words is "ten billion, four hundred three million, four hundred four thousand, four hundred".