1940153944 has 8 divisors (see below), whose sum is σ = 3637788660. Its totient is φ = 970076968.

The previous prime is 1940153927. The next prime is 1940154001. The reversal of 1940153944 is 4493510491.

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

It is a junction number, because it is equal to n+sod(n) for n = 1940153897 and 1940153906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121259614 + ... + 121259629.

Almost surely, 2^1940153944 is an apocalyptic number.

It is an amenable number.

1940153944 is a deficient number, since it is larger than the sum of its proper divisors (1697634716).

1940153944 is a wasteful number, since it uses less digits than its factorization.

1940153944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242519249 (or 242519245 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 1940153944 is about 44047.1786156616. The cubic root of 1940153944 is about 1247.2266929515.

The spelling of 1940153944 in words is "one billion, nine hundred forty million, one hundred fifty-three thousand, nine hundred forty-four".