412780490 has 16 divisors (see below), whose sum is σ = 768626280. Its totient is φ = 159418560.

The previous prime is 412780463. The next prime is 412780499. The reversal of 412780490 is 94087214.

It is a Cunningham number, because it is equal to 20317²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 407111329 + 5669161 = 20177^2 + 2381^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 412780490.

It is not an unprimeable number, because it can be changed into a prime (412780499) 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, 711401 + ... + 711980.

Almost surely, 2^412780490 is an apocalyptic number.

412780490 is a deficient number, since it is larger than the sum of its proper divisors (355845790).

412780490 is a wasteful number, since it uses less digits than its factorization.

412780490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423417.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 412780490 is about 20317.0000246099. Note that the first 4 decimals coincide. The cubic root of 412780490 is about 744.5714635289.

The spelling of 412780490 in words is "four hundred twelve million, seven hundred eighty thousand, four hundred ninety".