69229358640 has 480 divisors, whose sum is σ = 264110595840. Its totient is φ = 16748633088.

The previous prime is 69229358609. The next prime is 69229358711. The reversal of 69229358640 is 4685392296.

It is a happy number.

69229358640 is a `hidden beast` number, since 6 + 9 + 229 + 358 + 64 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 14908159 + ... + 14912801.

It is an arithmetic number, because the mean of its divisors is an integer number (550230408).

Almost surely, 2^69229358640 is an apocalyptic number.

69229358640 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 69229358640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132055297920).

69229358640 is an abundant number, since it is smaller than the sum of its proper divisors (194881237200).

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

69229358640 is a wasteful number, since it uses less digits than its factorization.

69229358640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4743 (or 4725 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 69229358640 in words is "sixty-nine billion, two hundred twenty-nine million, three hundred fifty-eight thousand, six hundred forty".