2177683242 has 32 divisors (see below), whose sum is σ = 5083471872. Its totient is φ = 608956464.

The previous prime is 2177683241. The next prime is 2177683273. The reversal of 2177683242 is 2423867712.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 2177683194 and 2177683203.

It is not an unprimeable number, because it can be changed into a prime (2177683241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549618 + ... + 553565.

It is an arithmetic number, because the mean of its divisors is an integer number (158858496).

Almost surely, 2^2177683242 is an apocalyptic number.

2177683242 is an abundant number, since it is smaller than the sum of its proper divisors (2905788630).

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

2177683242 is a wasteful number, since it uses less digits than its factorization.

2177683242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103242.

The product of its digits is 225792, while the sum is 42.

The square root of 2177683242 is about 46665.6537723410. The cubic root of 2177683242 is about 1296.1787673973.

The spelling of 2177683242 in words is "two billion, one hundred seventy-seven million, six hundred eighty-three thousand, two hundred forty-two".