1940291772960 has 96 divisors (see below), whose sum is σ = 6241959988992. Its totient is φ = 506402385920.

The previous prime is 1940291772899. The next prime is 1940291772971. The reversal of 1940291772960 is 692771920491.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 1940291772960.

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 15 ways as a sum of consecutive naturals, for example, 42980361 + ... + 43025480.

It is an arithmetic number, because the mean of its divisors is an integer number (65020416552).

Almost surely, 2^{1940291772960} is an apocalyptic number.

1940291772960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1940291772960 is an abundant number, since it is smaller than the sum of its proper divisors (4301668216032).

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

1940291772960 is a wasteful number, since it uses less digits than its factorization.

1940291772960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86005906 (or 86005898 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 57.

The spelling of 1940291772960 in words is "one trillion, nine hundred forty billion, two hundred ninety-one million, seven hundred seventy-two thousand, nine hundred sixty".