180695040 has 208 divisors, whose sum is σ = 615701088. Its totient is φ = 45088768.

The previous prime is 180695033. The next prime is 180695059. The reversal of 180695040 is 40596081.

It is a junction number, because it is equal to n+sod(n) for n = 180694992 and 180695010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1044394 + ... + 1044566.

Almost surely, 2^180695040 is an apocalyptic number.

180695040 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 180695040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307850544).

180695040 is an abundant number, since it is smaller than the sum of its proper divisors (435006048).

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

180695040 is a wasteful number, since it uses less digits than its factorization.

180695040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 180695040 is about 13442.2855199553. The cubic root of 180695040 is about 565.3474147040.

The spelling of 180695040 in words is "one hundred eighty million, six hundred ninety-five thousand, forty".