444720060247878 has 64 divisors (see below), whose sum is σ = 1040360895406080. Its totient is φ = 140539980518784.

The previous prime is 444720060247871. The next prime is 444720060247891. The reversal of 444720060247878 is 878742060027444.

It is a happy number.

444720060247878 is a `hidden beast` number, since 4 + 4 + 472 + 0 + 0 + 6 + 0 + 24 + 78 + 78 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444720060247871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1584229926 + ... + 1584510617.

It is an arithmetic number, because the mean of its divisors is an integer number (16255638990720).

Almost surely, 2^{444720060247878} is an apocalyptic number.

444720060247878 is an abundant number, since it is smaller than the sum of its proper divisors (595640835158202).

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

444720060247878 is a wasteful number, since it uses less digits than its factorization.

444720060247878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3168740690 (or 3168740684 counting only the distinct ones).

The product of its (nonzero) digits is 134873088, while the sum is 63.

The spelling of 444720060247878 in words is "four hundred forty-four trillion, seven hundred twenty billion, sixty million, two hundred forty-seven thousand, eight hundred seventy-eight".