69897268140 has 288 divisors, whose sum is σ = 235923528960. Its totient is φ = 15407368704.

The previous prime is 69897268057. The next prime is 69897268141. The reversal of 69897268140 is 4186279896.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (69897268141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9189579 + ... + 9197181.

It is an arithmetic number, because the mean of its divisors is an integer number (819178920).

Almost surely, 2^69897268140 is an apocalyptic number.

69897268140 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 69897268140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117961764480).

69897268140 is an abundant number, since it is smaller than the sum of its proper divisors (166026260820).

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

69897268140 is a wasteful number, since it uses less digits than its factorization.

69897268140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7741 (or 7732 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 60.

The spelling of 69897268140 in words is "sixty-nine billion, eight hundred ninety-seven million, two hundred sixty-eight thousand, one hundred forty".