68860044 has 90 divisors (see below), whose sum is σ = 197801604. Its totient is φ = 20716560.

The previous prime is 68859991. The next prime is 68860073. The reversal of 68860044 is 44006886.

68860044 is a `hidden beast` number, since 6 + 8 + 8 + 600 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 68859990 and 68860008.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 495327 + ... + 495465.

Almost surely, 2^68860044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68860044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98900802).

68860044 is an abundant number, since it is smaller than the sum of its proper divisors (128941560).

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

68860044 is a wasteful number, since it uses less digits than its factorization.

68860044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 68860044 is about 8298.1952254692. The cubic root of 68860044 is about 409.8790918514.

The spelling of 68860044 in words is "sixty-eight million, eight hundred sixty thousand, forty-four".