1940364939690 has 96 divisors (see below), whose sum is σ = 5541362686080. Its totient is φ = 468884515968.

The previous prime is 1940364939673. The next prime is 1940364939703. The reversal of 1940364939690 is 969394630491.

1940364939690 is a `hidden beast` number, since 1 + 94 + 0 + 36 + 49 + 396 + 90 = 666.

It is a super-2 number, since 2×1940364939690² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24628417 + ... + 24707076.

It is an arithmetic number, because the mean of its divisors is an integer number (57722527980).

Almost surely, 2^{1940364939690} is an apocalyptic number.

1940364939690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1940364939690 is an abundant number, since it is smaller than the sum of its proper divisors (3600997746390).

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

1940364939690 is a wasteful number, since it uses less digits than its factorization.

1940364939690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49335548 (or 49335545 counting only the distinct ones).

The product of its (nonzero) digits is 34012224, while the sum is 63.

The spelling of 1940364939690 in words is "one trillion, nine hundred forty billion, three hundred sixty-four million, nine hundred thirty-nine thousand, six hundred ninety".