464565390 has 64 divisors (see below), whose sum is σ = 1198679040. Its totient is φ = 114860160.

The previous prime is 464565389. The next prime is 464565401. The reversal of 464565390 is 93565464.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18120 + ... + 35460.

It is an arithmetic number, because the mean of its divisors is an integer number (18729360).

Almost surely, 2^464565390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 464565390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (599339520).

464565390 is an abundant number, since it is smaller than the sum of its proper divisors (734113650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

464565390 is a wasteful number, since it uses less digits than its factorization.

464565390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17417.

The product of its (nonzero) digits is 388800, while the sum is 42.

The square root of 464565390 is about 21553.7790190027. The cubic root of 464565390 is about 774.4896480419.

The spelling of 464565390 in words is "four hundred sixty-four million, five hundred sixty-five thousand, three hundred ninety".