1855000342 has 16 divisors (see below), whose sum is σ = 2999665872. Its totient is φ = 855260640.

The previous prime is 1855000331. The next prime is 1855000363. The reversal of 1855000342 is 2430005581.

It is a self number, because there is not a number n which added to its sum of digits gives 1855000342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11493 + ... + 61984.

It is an arithmetic number, because the mean of its divisors is an integer number (187479117).

Almost surely, 2^1855000342 is an apocalyptic number.

1855000342 is a deficient number, since it is larger than the sum of its proper divisors (1144665530).

1855000342 is a wasteful number, since it uses less digits than its factorization.

1855000342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74463.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 1855000342 is about 43069.7149050235. The cubic root of 1855000342 is about 1228.7060537182.

The spelling of 1855000342 in words is "one billion, eight hundred fifty-five million, three hundred forty-two", and thus it is an aban number.