490040029 has 4 divisors (see below), whose sum is σ = 490093276. Its totient is φ = 489986784.

The previous prime is 490040009. The next prime is 490040059. The reversal of 490040029 is 920040094.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 431517529 + 58522500 = 20773^2 + 7650^2 .

It is a cyclic number.

It is not a de Polignac number, because 490040029 - 2¹³ = 490031837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 490039979 and 490040006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490040009) 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, 8874 + ... + 32539.

It is an arithmetic number, because the mean of its divisors is an integer number (122523319).

Almost surely, 2^490040029 is an apocalyptic number.

490040029 is the 11833-rd nonagonal number.

It is an amenable number.

490040029 is a deficient number, since it is larger than the sum of its proper divisors (53247).

490040029 is a wasteful number, since it uses less digits than its factorization.

490040029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53246.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 490040029 is about 22136.8477656599. The cubic root of 490040029 is about 788.3949836195.

The spelling of 490040029 in words is "four hundred ninety million, forty thousand, twenty-nine".