464306140 has 24 divisors (see below), whose sum is σ = 998826192. Its totient is φ = 181192320.

The previous prime is 464306137. The next prime is 464306177. The reversal of 464306140 is 41603464.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 464306099 and 464306108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282294 + ... + 283933.

It is an arithmetic number, because the mean of its divisors is an integer number (41617758).

Almost surely, 2^464306140 is an apocalyptic number.

It is an amenable number.

464306140 is an abundant number, since it is smaller than the sum of its proper divisors (534520052).

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

464306140 is a wasteful number, since it uses less digits than its factorization.

464306140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566277 (or 566275 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 464306140 is about 21547.7641531552. The cubic root of 464306140 is about 774.3455536498.

The spelling of 464306140 in words is "four hundred sixty-four million, three hundred six thousand, one hundred forty".