69033968640 has 1056 divisors, whose sum is σ = 299139998976. Its totient is φ = 14332723200.

The previous prime is 69033968617. The next prime is 69033968711. The reversal of 69033968640 is 4686933096.

It is a happy number.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 423521199 + ... + 423521361.

Almost surely, 2^69033968640 is an apocalyptic number.

69033968640 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 69033968640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149569999488).

69033968640 is an abundant number, since it is smaller than the sum of its proper divisors (230106030336).

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

69033968640 is a wasteful number, since it uses less digits than its factorization.

69033968640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 54.

The spelling of 69033968640 in words is "sixty-nine billion, thirty-three million, nine hundred sixty-eight thousand, six hundred forty".