69459480090 has 1728 divisors, whose sum is σ = 286103301120. Its totient is φ = 11496038400.

The previous prime is 69459480049. The next prime is 69459480091. The reversal of 69459480090 is 9008495496.

69459480090 is a `hidden beast` number, since 69 + 459 + 48 + 0 + 0 + 90 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69459480091) by changing a digit.

It is a polite number, since it can be written in 863 ways as a sum of consecutive naturals, for example, 2240628375 + ... + 2240628405.

It is an arithmetic number, because the mean of its divisors is an integer number (165569040).

Almost surely, 2^69459480090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69459480090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143051650560).

69459480090 is an abundant number, since it is smaller than the sum of its proper divisors (216643821030).

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

69459480090 is a wasteful number, since it uses less digits than its factorization.

69459480090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 69459480090 in words is "sixty-nine billion, four hundred fifty-nine million, four hundred eighty thousand, ninety".