1857340234072 has 32 divisors (see below), whose sum is σ = 3605676634800. Its totient is φ = 895881168000.

The previous prime is 1857340234063. The next prime is 1857340234073. The reversal of 1857340234072 is 2704320437581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1857340234073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3146679 + ... + 3690022.

Almost surely, 2^{1857340234072} is an apocalyptic number.

It is an amenable number.

1857340234072 is a deficient number, since it is larger than the sum of its proper divisors (1748336400728).

1857340234072 is a wasteful number, since it uses less digits than its factorization.

1857340234072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6837907 (or 6837903 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 1857340234072 in words is "one trillion, eight hundred fifty-seven billion, three hundred forty million, two hundred thirty-four thousand, seventy-two".