1226454200240 has 160 divisors (see below), whose sum is σ = 3033348264000. Its totient is φ = 461166538752.

The previous prime is 1226454200233. The next prime is 1226454200243. The reversal of 1226454200240 is 420024546221.

It is a junction number, because it is equal to n+sod(n) for n = 1226454200197 and 1226454200206.

It is not an unprimeable number, because it can be changed into a prime (1226454200243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 483044891 + ... + 483047429.

It is an arithmetic number, because the mean of its divisors is an integer number (18958426650).

Almost surely, 2^{1226454200240} is an apocalyptic number.

1226454200240 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 1226454200240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1516674132000).

1226454200240 is an abundant number, since it is smaller than the sum of its proper divisors (1806894063760).

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

1226454200240 is a wasteful number, since it uses less digits than its factorization.

1226454200240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3832 (or 3792 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 1226454200240 its reverse (420024546221), we get a palindrome (1646478746461).

The spelling of 1226454200240 in words is "one trillion, two hundred twenty-six billion, four hundred fifty-four million, two hundred thousand, two hundred forty".