11403412400 has 180 divisors, whose sum is σ = 29156540112. Its totient is φ = 4285232640.

The previous prime is 11403412399. The next prime is 11403412483. The reversal of 11403412400 is 421430411.

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

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 22670549 + ... + 22671051.

Almost surely, 2^11403412400 is an apocalyptic number.

11403412400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11403412400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14578270056).

11403412400 is an abundant number, since it is smaller than the sum of its proper divisors (17753127712).

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

11403412400 is a wasteful number, since it uses less digits than its factorization.

11403412400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716 (or 686 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 11403412400 its reverse (421430411), we get a palindrome (11824842811).

The spelling of 11403412400 in words is "eleven billion, four hundred three million, four hundred twelve thousand, four hundred".