10378944642 has 48 divisors (see below), whose sum is σ = 22834546560. Its totient is φ = 3142650720.

The previous prime is 10378944637. The next prime is 10378944661. The reversal of 10378944642 is 24644987301.

It is a junction number, because it is equal to n+sod(n) for n = 10378944591 and 10378944600.

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 23 ways as a sum of consecutive naturals, for example, 1049959 + ... + 1059797.

It is an arithmetic number, because the mean of its divisors is an integer number (475719720).

Almost surely, 2^10378944642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10378944642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11417273280).

10378944642 is an abundant number, since it is smaller than the sum of its proper divisors (12455601918).

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

10378944642 is a wasteful number, since it uses less digits than its factorization.

10378944642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11319 (or 11308 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 10378944642 in words is "ten billion, three hundred seventy-eight million, nine hundred forty-four thousand, six hundred forty-two".