68747423040 has 504 divisors, whose sum is σ = 248625542880. Its totient is φ = 17421336576.

The previous prime is 68747423011. The next prime is 68747423089. The reversal of 68747423040 is 4032474786.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 708736272 + ... + 708736368.

Almost surely, 2^68747423040 is an apocalyptic number.

68747423040 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 68747423040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124312771440).

68747423040 is an abundant number, since it is smaller than the sum of its proper divisors (179878119840).

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

68747423040 is a wasteful number, since it uses less digits than its factorization.

68747423040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 45.

The spelling of 68747423040 in words is "sixty-eight billion, seven hundred forty-seven million, four hundred twenty-three thousand, forty".