182642540 has 72 divisors (see below), whose sum is σ = 408963408. Its totient is φ = 68492160.

The previous prime is 182642531. The next prime is 182642557. The reversal of 182642540 is 45246281.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 182642497 and 182642506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 645239 + ... + 645521.

Almost surely, 2^182642540 is an apocalyptic number.

182642540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 182642540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204481704).

182642540 is an abundant number, since it is smaller than the sum of its proper divisors (226320868).

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

182642540 is a wasteful number, since it uses less digits than its factorization.

182642540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 182642540 is about 13514.5306984741. The cubic root of 182642540 is about 567.3712335690.

The spelling of 182642540 in words is "one hundred eighty-two million, six hundred forty-two thousand, five hundred forty".