407648515922 has 18 divisors (see below), whose sum is σ = 649582043247. Its totient is φ = 191827372224.

The previous prime is 407648515829. The next prime is 407648515927. The reversal of 407648515922 is 229515846704.

It can be written as a sum of positive squares in 5 ways, for example, as 300425668321 + 107222847601 = 548111^2 + 327449^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=451469.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (407648515927) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 15336668 + ... + 15363224.

Almost surely, 2^407648515922 is an apocalyptic number.

407648515922 is a deficient number, since it is larger than the sum of its proper divisors (241933527325).

407648515922 is an frugal number, since it uses more digits than its factorization.

407648515922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53150 (or 26576 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 407648515922 in words is "four hundred seven billion, six hundred forty-eight million, five hundred fifteen thousand, nine hundred twenty-two".