1836418404380 has 36 divisors (see below), whose sum is σ = 4486107818808. Its totient is φ = 629629166880.

The previous prime is 1836418404367. The next prime is 1836418404397. The reversal of 1836418404380 is 834048146381.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 936947186 + ... + 936949145.

It is an arithmetic number, because the mean of its divisors is an integer number (124614106078).

Almost surely, 2^{1836418404380} is an apocalyptic number.

1836418404380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1836418404380 is an abundant number, since it is smaller than the sum of its proper divisors (2649689414428).

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

1836418404380 is a wasteful number, since it uses less digits than its factorization.

1836418404380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873896354 (or 1873896345 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 50.

The spelling of 1836418404380 in words is "one trillion, eight hundred thirty-six billion, four hundred eighteen million, four hundred four thousand, three hundred eighty".