464660440 has 16 divisors (see below), whose sum is σ = 1045486080. Its totient is φ = 185864160.

The previous prime is 464660437. The next prime is 464660461. The reversal of 464660440 is 44066464.

It is a junction number, because it is equal to n+sod(n) for n = 464660396 and 464660405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5808216 + ... + 5808295.

It is an arithmetic number, because the mean of its divisors is an integer number (65342880).

Almost surely, 2^464660440 is an apocalyptic number.

464660440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

464660440 is an abundant number, since it is smaller than the sum of its proper divisors (580825640).

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

464660440 is a wasteful number, since it uses less digits than its factorization.

464660440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11616522 (or 11616518 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 464660440 is about 21555.9838559969. The cubic root of 464660440 is about 774.5424645902.

The spelling of 464660440 in words is "four hundred sixty-four million, six hundred sixty thousand, four hundred forty".