726353490856422 has 192 divisors, whose sum is σ = 1773032270948352. Its totient is φ = 196441749504000.

The previous prime is 726353490856403. The next prime is 726353490856531. The reversal of 726353490856422 is 224658094353627.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 376970022 + ... + 378891942.

It is an arithmetic number, because the mean of its divisors is an integer number (9234543077856).

Almost surely, 2^{726353490856422} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 726353490856422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (886516135474176).

726353490856422 is an abundant number, since it is smaller than the sum of its proper divisors (1046678780091930).

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

726353490856422 is a wasteful number, since it uses less digits than its factorization.

726353490856422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1923087 (or 1923074 counting only the distinct ones).

The product of its (nonzero) digits is 522547200, while the sum is 66.

The spelling of 726353490856422 in words is "seven hundred twenty-six trillion, three hundred fifty-three billion, four hundred ninety million, eight hundred fifty-six thousand, four hundred twenty-two".