1940144752 has 40 divisors (see below), whose sum is σ = 4626502496. Its totient is φ = 767529216.

The previous prime is 1940144743. The next prime is 1940144753. The reversal of 1940144752 is 2574410491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940144753) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 664803 + ... + 667714.

Almost surely, 2^1940144752 is an apocalyptic number.

It is an amenable number.

1940144752 is an abundant number, since it is smaller than the sum of its proper divisors (2686357744).

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

1940144752 is a wasteful number, since it uses less digits than its factorization.

1940144752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332545 (or 1332539 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 1940144752 is about 44047.0742728731. The cubic root of 1940144752 is about 1247.2247232580.

The spelling of 1940144752 in words is "one billion, nine hundred forty million, one hundred forty-four thousand, seven hundred fifty-two".