1940185413008 has 80 divisors (see below), whose sum is σ = 3813463065600. Its totient is φ = 956171532288.

The previous prime is 1940185413007. The next prime is 1940185413031. The reversal of 1940185413008 is 8003145810491.

It is a self number, because there is not a number n which added to its sum of digits gives 1940185413008.

It is not an unprimeable number, because it can be changed into a prime (1940185413007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 446120018 + ... + 446124366.

It is an arithmetic number, because the mean of its divisors is an integer number (47668288320).

Almost surely, 2^{1940185413008} is an apocalyptic number.

It is an amenable number.

1940185413008 is a deficient number, since it is larger than the sum of its proper divisors (1873277652592).

1940185413008 is a wasteful number, since it uses less digits than its factorization.

1940185413008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5784 (or 5778 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 44.

The spelling of 1940185413008 in words is "one trillion, nine hundred forty billion, one hundred eighty-five million, four hundred thirteen thousand, eight".