464643520 has 56 divisors (see below), whose sum is σ = 1207026288. Its totient is φ = 168960000.

The previous prime is 464643503. The next prime is 464643523. The reversal of 464643520 is 25346464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464643523) 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, 62481 + ... + 69520.

Almost surely, 2^464643520 is an apocalyptic number.

464643520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

464643520 is an abundant number, since it is smaller than the sum of its proper divisors (742382768).

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

464643520 is a wasteful number, since it uses less digits than its factorization.

464643520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132029 (or 132019 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

The square root of 464643520 is about 21555.5913859954. The cubic root of 464643520 is about 774.5330631603.

Adding to 464643520 its reverse (25346464), we get a palindrome (489989984).

The spelling of 464643520 in words is "four hundred sixty-four million, six hundred forty-three thousand, five hundred twenty".