449420061 has 8 divisors (see below), whose sum is σ = 600336544. Its totient is φ = 299058480.

The previous prime is 449420033. The next prime is 449420071. The reversal of 449420061 is 160024944.

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

It is not a de Polignac number, because 449420061 - 2⁵ = 449420029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449420021) 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, 136831 + ... + 140076.

It is an arithmetic number, because the mean of its divisors is an integer number (75042068).

Almost surely, 2^449420061 is an apocalyptic number.

It is an amenable number.

449420061 is a deficient number, since it is larger than the sum of its proper divisors (150916483).

449420061 is a wasteful number, since it uses less digits than its factorization.

449420061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277451.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 449420061 is about 21199.5297353503. The cubic root of 449420061 is about 765.9800962635.

The spelling of 449420061 in words is "four hundred forty-nine million, four hundred twenty thousand, sixty-one".