2240172434 has 8 divisors (see below), whose sum is σ = 3361084860. Its totient is φ = 1119810816.

The previous prime is 2240172401. The next prime is 2240172439. The reversal of 2240172434 is 4342710422.

It can be written as a sum of positive squares in 2 ways, for example, as 2221708225 + 18464209 = 47135^2 + 4297^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2240172397 and 2240172406.

It is not an unprimeable number, because it can be changed into a prime (2240172439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127379 + ... + 143894.

Almost surely, 2^2240172434 is an apocalyptic number.

2240172434 is a deficient number, since it is larger than the sum of its proper divisors (1120912426).

2240172434 is a wasteful number, since it uses less digits than its factorization.

2240172434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275404.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 2240172434 is about 47330.4598963500. The cubic root of 2240172434 is about 1308.4600972049.

Adding to 2240172434 its reverse (4342710422), we get a palindrome (6582882856).

The spelling of 2240172434 in words is "two billion, two hundred forty million, one hundred seventy-two thousand, four hundred thirty-four".