490785451 has 8 divisors (see below), whose sum is σ = 529630304. Its totient is φ = 452096640.

The previous prime is 490785439. The next prime is 490785469. The reversal of 490785451 is 154587094.

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 490785451 - 2¹⁷ = 490654379 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 490785398 and 490785407.

It is not an unprimeable number, because it can be changed into a prime (490785151) 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, 32430 + ... + 45091.

It is an arithmetic number, because the mean of its divisors is an integer number (66203788).

Almost surely, 2^490785451 is an apocalyptic number.

490785451 is a deficient number, since it is larger than the sum of its proper divisors (38844853).

490785451 is a wasteful number, since it uses less digits than its factorization.

490785451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78021.

The product of its (nonzero) digits is 201600, while the sum is 43.

The square root of 490785451 is about 22153.6780467714. The cubic root of 490785451 is about 788.7945354905.

The spelling of 490785451 in words is "four hundred ninety million, seven hundred eighty-five thousand, four hundred fifty-one".