1855382027942 has 8 divisors (see below), whose sum is σ = 2814343525800. Its totient is φ = 917267519344.

The previous prime is 1855382027923. The next prime is 1855382027957. The reversal of 1855382027942 is 2497202835581.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1855382027942² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5211747092 + ... + 5211747447.

It is an arithmetic number, because the mean of its divisors is an integer number (351792940725).

Almost surely, 2^{1855382027942} is an apocalyptic number.

1855382027942 is a deficient number, since it is larger than the sum of its proper divisors (958961497858).

1855382027942 is a wasteful number, since it uses less digits than its factorization.

1855382027942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10423494630.

The product of its (nonzero) digits is 9676800, while the sum is 56.

The spelling of 1855382027942 in words is "one trillion, eight hundred fifty-five billion, three hundred eighty-two million, twenty-seven thousand, nine hundred forty-two".