1885420842764 has 12 divisors (see below), whose sum is σ = 3299649707088. Its totient is φ = 942663783600.

The previous prime is 1885420842757. The next prime is 1885420842769. The reversal of 1885420842764 is 4672480245881.

It is a super-2 number, since 2×1885420842764² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1885420842769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11568407 + ... + 11730254.

It is an arithmetic number, because the mean of its divisors is an integer number (274970808924).

Almost surely, 2^{1885420842764} is an apocalyptic number.

It is an amenable number.

1885420842764 is a deficient number, since it is larger than the sum of its proper divisors (1414228864324).

1885420842764 is a wasteful number, since it uses less digits than its factorization.

1885420842764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23318896 (or 23318894 counting only the distinct ones).

The product of its (nonzero) digits is 27525120, while the sum is 59.

The spelling of 1885420842764 in words is "one trillion, eight hundred eighty-five billion, four hundred twenty million, eight hundred forty-two thousand, seven hundred sixty-four".