22040303412400 has 240 divisors, whose sum is σ = 65224300141504. Its totient is φ = 6969739530240.

The previous prime is 22040303412383. The next prime is 22040303412409. The reversal of 22040303412400 is 421430304022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (22040303412409) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44782054 + ... + 45271546.

Almost surely, 2^{22040303412400} is an apocalyptic number.

22040303412400 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 22040303412400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32612150070752).

22040303412400 is an abundant number, since it is smaller than the sum of its proper divisors (43183996729104).

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

22040303412400 is a wasteful number, since it uses less digits than its factorization.

22040303412400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490768 (or 490757 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 22040303412400 its reverse (421430304022), we get a palindrome (22461733716422).

The spelling of 22040303412400 in words is "twenty-two trillion, forty billion, three hundred three million, four hundred twelve thousand, four hundred".