1940747796 has 96 divisors (see below), whose sum is σ = 5495212800. Its totient is φ = 588712320.

The previous prime is 1940747779. The next prime is 1940747819. The reversal of 1940747796 is 6977470491.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89950 + ... + 109418.

It is an arithmetic number, because the mean of its divisors is an integer number (57241800).

Almost surely, 2^1940747796 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1940747796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2747606400).

1940747796 is an abundant number, since it is smaller than the sum of its proper divisors (3554465004).

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

1940747796 is a wasteful number, since it uses less digits than its factorization.

1940747796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19566 (or 19558 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 54.

The square root of 1940747796 is about 44053.9191900108. The cubic root of 1940747796 is about 1247.3539324269.

The spelling of 1940747796 in words is "one billion, nine hundred forty million, seven hundred forty-seven thousand, seven hundred ninety-six".