69541319040 has 128 divisors (see below), whose sum is σ = 222658329600. Its totient is φ = 18461079552.

The previous prime is 69541318981. The next prime is 69541319041. The reversal of 69541319040 is 4091314596.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 69541318983 and 69541319001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69541319041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346951 + ... + 509369.

It is an arithmetic number, because the mean of its divisors is an integer number (1739518200).

Almost surely, 2^69541319040 is an apocalyptic number.

69541319040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69541319040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111329164800).

69541319040 is an abundant number, since it is smaller than the sum of its proper divisors (153117010560).

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

69541319040 is a wasteful number, since it uses less digits than its factorization.

69541319040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162664 (or 162652 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The spelling of 69541319040 in words is "sixty-nine billion, five hundred forty-one million, three hundred nineteen thousand, forty".