1860994505340 has 192 divisors, whose sum is σ = 6396871864320. Its totient is φ = 446765552640.

The previous prime is 1860994505339. The next prime is 1860994505347. The reversal of 1860994505340 is 435054990681.

1860994505340 is a `hidden beast` number, since 1 + 8 + 6 + 0 + 9 + 94 + 505 + 3 + 40 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1860994505347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4195876 + ... + 4618155.

It is an arithmetic number, because the mean of its divisors is an integer number (33317040960).

Almost surely, 2^{1860994505340} is an apocalyptic number.

1860994505340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1860994505340 is an abundant number, since it is smaller than the sum of its proper divisors (4535877358980).

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

1860994505340 is a wasteful number, since it uses less digits than its factorization.

1860994505340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8814089 (or 8814081 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The spelling of 1860994505340 in words is "one trillion, eight hundred sixty billion, nine hundred ninety-four million, five hundred five thousand, three hundred forty".