1226040456 has 32 divisors (see below), whose sum is σ = 3068136000. Its totient is φ = 408275520.

The previous prime is 1226040443. The next prime is 1226040457. The reversal of 1226040456 is 6540406221.

It is not an unprimeable number, because it can be changed into a prime (1226040457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31 + ... + 49518.

It is an arithmetic number, because the mean of its divisors is an integer number (95879250).

Almost surely, 2^1226040456 is an apocalyptic number.

It is an amenable number.

1226040456 is an abundant number, since it is smaller than the sum of its proper divisors (1842095544).

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

1226040456 is a wasteful number, since it uses less digits than its factorization.

1226040456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50589 (or 50585 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1226040456 is about 35014.8605023638. The cubic root of 1226040456 is about 1070.2903267842.

Adding to 1226040456 its reverse (6540406221), we get a palindrome (7766446677).

The spelling of 1226040456 in words is "one billion, two hundred twenty-six million, forty thousand, four hundred fifty-six".