182198201840 has 20 divisors (see below), whose sum is σ = 423610819464. Its totient is φ = 72879280704.

The previous prime is 182198201837. The next prime is 182198201869. The reversal of 182198201840 is 48102891281.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 182198201791 and 182198201800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1138738682 + ... + 1138738841.

Almost surely, 2^182198201840 is an apocalyptic number.

182198201840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

182198201840 is an abundant number, since it is smaller than the sum of its proper divisors (241412617624).

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

182198201840 is a wasteful number, since it uses less digits than its factorization.

182198201840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277477536 (or 2277477530 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 44.

The spelling of 182198201840 in words is "one hundred eighty-two billion, one hundred ninety-eight million, two hundred one thousand, eight hundred forty".