610440431 has 8 divisors (see below), whose sum is σ = 625668624. Its totient is φ = 595228480.

The previous prime is 610440331. The next prime is 610440433. The reversal of 610440431 is 134044016.

610440431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 610440431 - 2¹⁴ = 610424047 is a prime.

It is a super-2 number, since 2×610440431² = 745275039598931522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 610440397 and 610440406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (610440433) 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, 113945 + ... + 119181.

It is an arithmetic number, because the mean of its divisors is an integer number (78208578).

Almost surely, 2^610440431 is an apocalyptic number.

610440431 is a deficient number, since it is larger than the sum of its proper divisors (15228193).

610440431 is a wasteful number, since it uses less digits than its factorization.

610440431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8121.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 610440431 is about 24707.0927265836. The cubic root of 610440431 is about 848.2966724632.

Adding to 610440431 its reverse (134044016), we get a palindrome (744484447).

The spelling of 610440431 in words is "six hundred ten million, four hundred forty thousand, four hundred thirty-one".