68440960 has 64 divisors (see below), whose sum is σ = 187002720. Its totient is φ = 23463936.

The previous prime is 68440937. The next prime is 68441011. The reversal of 68440960 is 6904486.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3159 + ... + 12118.

Almost surely, 2^68440960 is an apocalyptic number.

It is an amenable number.

68440960 is an abundant number, since it is smaller than the sum of its proper divisors (118561760).

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

68440960 is a wasteful number, since it uses less digits than its factorization.

68440960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15303 (or 15291 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 68440960 is about 8272.9051729124. The cubic root of 68440960 is about 409.0458876904.

The spelling of 68440960 in words is "sixty-eight million, four hundred forty thousand, nine hundred sixty".