464756840 has 32 divisors (see below), whose sum is σ = 1058309280. Its totient is φ = 183661632.

The previous prime is 464756839. The next prime is 464756861. The reversal of 464756840 is 48657464.

It is a junction number, because it is equal to n+sod(n) for n = 464756791 and 464756800.

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, 66674 + ... + 73313.

It is an arithmetic number, because the mean of its divisors is an integer number (33072165).

Almost surely, 2^464756840 is an apocalyptic number.

464756840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

464756840 is an abundant number, since it is smaller than the sum of its proper divisors (593552440).

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

464756840 is a wasteful number, since it uses less digits than its factorization.

464756840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140081 (or 140077 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 44.

The square root of 464756840 is about 21558.2197780800. The cubic root of 464756840 is about 774.5960239382.

The spelling of 464756840 in words is "four hundred sixty-four million, seven hundred fifty-six thousand, eight hundred forty".