22693478400 has 714 divisors, whose sum is σ = 88821573860. Its totient is φ = 5733089280.

The previous prime is 22693478389. The next prime is 22693478413. The reversal of 22693478400 is 487439622.

22693478400 is a `hidden beast` number, since 2 + 269 + 347 + 8 + 40 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 1194393591 + ... + 1194393609.

Almost surely, 2^22693478400 is an apocalyptic number.

22693478400 is a gapful number since it is divisible by the number (20) 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 22693478400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44410786930).

22693478400 is an abundant number, since it is smaller than the sum of its proper divisors (66128095460).

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

22693478400 is an frugal number, since it uses more digits than its factorization.

22693478400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 29 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 22693478400 in words is "twenty-two billion, six hundred ninety-three million, four hundred seventy-eight thousand, four hundred".