1226504596590 has 256 divisors, whose sum is σ = 4080600115200. Its totient is φ = 255233700864.

The previous prime is 1226504596589. The next prime is 1226504596609. The reversal of 1226504596590 is 956954056221.

1226504596590 is a `hidden beast` number, since 1 + 2 + 2 + 6 + 5 + 0 + 45 + 9 + 6 + 590 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1451701 + ... + 2135519.

It is an arithmetic number, because the mean of its divisors is an integer number (15939844200).

Almost surely, 2^{1226504596590} is an apocalyptic number.

1226504596590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1226504596590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2040300057600).

1226504596590 is an abundant number, since it is smaller than the sum of its proper divisors (2854095518610).

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

1226504596590 is a wasteful number, since it uses less digits than its factorization.

1226504596590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683928 (or 683922 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 54.

The spelling of 1226504596590 in words is "one trillion, two hundred twenty-six billion, five hundred four million, five hundred ninety-six thousand, five hundred ninety".