464040840 has 64 divisors (see below), whose sum is σ = 1474018560. Its totient is φ = 116464640.

The previous prime is 464040839. The next prime is 464040859. The reversal of 464040840 is 48040464.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 464040798 and 464040807.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111696 + ... + 115775.

It is an arithmetic number, because the mean of its divisors is an integer number (23031540).

Almost surely, 2^464040840 is an apocalyptic number.

464040840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

464040840 is an abundant number, since it is smaller than the sum of its proper divisors (1009977720).

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

464040840 is a wasteful number, since it uses less digits than its factorization.

464040840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227502 (or 227498 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 464040840 is about 21541.6071823808. The cubic root of 464040840 is about 774.1980410514.

The spelling of 464040840 in words is "four hundred sixty-four million, forty thousand, eight hundred forty".