182257940 has 24 divisors (see below), whose sum is σ = 383269320. Its totient is φ = 72802688.

The previous prime is 182257939. The next prime is 182257949. The reversal of 182257940 is 49752281.

It can be written as a sum of positive squares in 4 ways, for example, as 11276164 + 170981776 = 3358^2 + 13076^2 .

It is a junction number, because it is equal to n+sod(n) for n = 182257894 and 182257903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (182257949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9566 + ... + 21354.

It is an arithmetic number, because the mean of its divisors is an integer number (15969555).

Almost surely, 2^182257940 is an apocalyptic number.

182257940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

182257940 is an abundant number, since it is smaller than the sum of its proper divisors (201011380).

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

182257940 is a wasteful number, since it uses less digits than its factorization.

182257940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12571 (or 12569 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 182257940 is about 13500.2940708712. The cubic root of 182257940 is about 566.9727058913.

The spelling of 182257940 in words is "one hundred eighty-two million, two hundred fifty-seven thousand, nine hundred forty".