11928427400 has 48 divisors (see below), whose sum is σ = 29364989940. Its totient is φ = 4490700800.

The previous prime is 11928427397. The next prime is 11928427439. The reversal of 11928427400 is 472482911.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 6957895396 + 4970532004 = 83414^2 + 70502^2 .

It is an unprimeable number.

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, 1750781 + ... + 1757580.

Almost surely, 2^11928427400 is an apocalyptic number.

11928427400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11928427400 is an abundant number, since it is smaller than the sum of its proper divisors (17436562540).

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

11928427400 is a wasteful number, since it uses less digits than its factorization.

11928427400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3508394 (or 3508385 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The spelling of 11928427400 in words is "eleven billion, nine hundred twenty-eight million, four hundred twenty-seven thousand, four hundred".