22401043240 has 16 divisors (see below), whose sum is σ = 50402347380. Its totient is φ = 8960417280.

The previous prime is 22401043213. The next prime is 22401043253. The reversal of 22401043240 is 4234010422.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19562497956 + 2838545284 = 139866^2 + 53278^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280013001 + ... + 280013080.

Almost surely, 2^22401043240 is an apocalyptic number.

22401043240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22401043240 is an abundant number, since it is smaller than the sum of its proper divisors (28001304140).

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

22401043240 is a wasteful number, since it uses less digits than its factorization.

22401043240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560026092 (or 560026088 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 22401043240 its reverse (4234010422), we get a palindrome (26635053662).

The spelling of 22401043240 in words is "twenty-two billion, four hundred one million, forty-three thousand, two hundred forty".