1867304340444 has 24 divisors (see below), whose sum is σ = 4377692962048. Its totient is φ = 619484851440.

The previous prime is 1867304340397. The next prime is 1867304340457. The reversal of 1867304340444 is 4440434037681.

It is a junction number, because it is equal to n+sod(n) for n = 1867304340393 and 1867304340402.

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, 368738452 + ... + 368743515.

Almost surely, 2^{1867304340444} is an apocalyptic number.

It is an amenable number.

1867304340444 is an abundant number, since it is smaller than the sum of its proper divisors (2510388621604).

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

1867304340444 is a wasteful number, since it uses less digits than its factorization.

1867304340444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737482185 (or 737482183 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 48.

The spelling of 1867304340444 in words is "one trillion, eight hundred sixty-seven billion, three hundred four million, three hundred forty thousand, four hundred forty-four".