1818400218382 has 16 divisors (see below), whose sum is σ = 2976798242304. Its totient is φ = 826202707000.

The previous prime is 1818400218343. The next prime is 1818400218421. The reversal of 1818400218382 is 2838120048181.

It is an interprime number because it is at equal distance from previous prime (1818400218343) and next prime (1818400218421).

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, 17088094 + ... + 17194177.

It is an arithmetic number, because the mean of its divisors is an integer number (186049890144).

Almost surely, 2^{1818400218382} is an apocalyptic number.

1818400218382 is a deficient number, since it is larger than the sum of its proper divisors (1158398023922).

1818400218382 is a wasteful number, since it uses less digits than its factorization.

1818400218382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34284695.

The product of its (nonzero) digits is 196608, while the sum is 46.

The spelling of 1818400218382 in words is "one trillion, eight hundred eighteen billion, four hundred million, two hundred eighteen thousand, three hundred eighty-two".