469812840 has 128 divisors (see below), whose sum is σ = 1648373760. Its totient is φ = 104880384.

The previous prime is 469812787. The next prime is 469812841. The reversal of 469812840 is 48218964.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 469812792 and 469812801.

It is not an unprimeable number, because it can be changed into a prime (469812841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29617 + ... + 42623.

It is an arithmetic number, because the mean of its divisors is an integer number (12877920).

Almost surely, 2^469812840 is an apocalyptic number.

469812840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 469812840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (824186880).

469812840 is an abundant number, since it is smaller than the sum of its proper divisors (1178560920).

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

469812840 is a wasteful number, since it uses less digits than its factorization.

469812840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13071 (or 13067 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 469812840 is about 21675.1664353472. The cubic root of 469812840 is about 777.3947928213.

The spelling of 469812840 in words is "four hundred sixty-nine million, eight hundred twelve thousand, eight hundred forty".