464789540 has 24 divisors (see below), whose sum is σ = 989431800. Its totient is φ = 183368448.

The previous prime is 464789539. The next prime is 464789587. The reversal of 464789540 is 45987464.

It can be written as a sum of positive squares in 4 ways, for example, as 143089444 + 321700096 = 11962^2 + 17936^2 .

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157715 + ... + 160634.

It is an arithmetic number, because the mean of its divisors is an integer number (41226325).

Almost surely, 2^464789540 is an apocalyptic number.

It is an amenable number.

464789540 is an abundant number, since it is smaller than the sum of its proper divisors (524642260).

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

464789540 is a wasteful number, since it uses less digits than its factorization.

464789540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318431 (or 318429 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The square root of 464789540 is about 21558.9781761567. The cubic root of 464789540 is about 774.6141902091.

The spelling of 464789540 in words is "four hundred sixty-four million, seven hundred eighty-nine thousand, five hundred forty".