1010861944 has 8 divisors (see below), whose sum is σ = 1895366160. Its totient is φ = 505430968.

The previous prime is 1010861933. The next prime is 1010861977. The reversal of 1010861944 is 4491680101.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63178864 + ... + 63178879.

It is an arithmetic number, because the mean of its divisors is an integer number (236920770).

Almost surely, 2^1010861944 is an apocalyptic number.

It is an amenable number.

1010861944 is a deficient number, since it is larger than the sum of its proper divisors (884504216).

1010861944 is a wasteful number, since it uses less digits than its factorization.

1010861944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126357749 (or 126357745 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 1010861944 is about 31794.0551675938. The cubic root of 1010861944 is about 1003.6076174454.

The spelling of 1010861944 in words is "one billion, ten million, eight hundred sixty-one thousand, nine hundred forty-four".