69444227720 has 128 divisors (see below), whose sum is σ = 186612940800. Its totient is φ = 22760752896.

The previous prime is 69444227719. The next prime is 69444227753. The reversal of 69444227720 is 2772244496.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 504521 + ... + 627239.

It is an arithmetic number, because the mean of its divisors is an integer number (1457913600).

Almost surely, 2^69444227720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69444227720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93306470400).

69444227720 is an abundant number, since it is smaller than the sum of its proper divisors (117168713080).

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

69444227720 is a wasteful number, since it uses less digits than its factorization.

69444227720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122827 (or 122823 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 47.

The spelling of 69444227720 in words is "sixty-nine billion, four hundred forty-four million, two hundred twenty-seven thousand, seven hundred twenty".