407244505 has 8 divisors (see below), whose sum is σ = 488821824. Its totient is φ = 325710000.

The previous prime is 407244473. The next prime is 407244553. The reversal of 407244505 is 505442704.

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

It is not a de Polignac number, because 407244505 - 2⁵ = 407244473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16530 + ... + 32980.

It is an arithmetic number, because the mean of its divisors is an integer number (61102728).

Almost surely, 2^407244505 is an apocalyptic number.

It is an amenable number.

407244505 is a deficient number, since it is larger than the sum of its proper divisors (81577319).

407244505 is a wasteful number, since it uses less digits than its factorization.

407244505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21407.

The product of its (nonzero) digits is 22400, while the sum is 31.

The square root of 407244505 is about 20180.2999234402. The cubic root of 407244505 is about 741.2278768540.

The spelling of 407244505 in words is "four hundred seven million, two hundred forty-four thousand, five hundred five".