182418222440 has 32 divisors (see below), whose sum is σ = 410560867080. Its totient is φ = 72945979392.

The previous prime is 182418222433. The next prime is 182418222491. The reversal of 182418222440 is 44222814281.

It can be written as a sum of positive squares in 4 ways, for example, as 118406186404 + 64012036036 = 344102^2 + 253006^2 .

It is a junction number, because it is equal to n+sod(n) for n = 182418222394 and 182418222403.

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, 526889 + ... + 801528.

Almost surely, 2^182418222440 is an apocalyptic number.

182418222440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

182418222440 is an abundant number, since it is smaller than the sum of its proper divisors (228142644640).

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

182418222440 is a wasteful number, since it uses less digits than its factorization.

182418222440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331861 (or 1331857 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 38.

The spelling of 182418222440 in words is "one hundred eighty-two billion, four hundred eighteen million, two hundred twenty-two thousand, four hundred forty".