469161280 has 84 divisors (see below), whose sum is σ = 1299632148. Its totient is φ = 160849920.

The previous prime is 469161263. The next prime is 469161299. The reversal of 469161280 is 82161964.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 233722944 + 235438336 = 15288^2 + 15344^2 .

It is a super-2 number, since 2×469161280² = 440224613302476800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 720 + ... + 30640.

Almost surely, 2^469161280 is an apocalyptic number.

469161280 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 469161280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (649816074).

469161280 is an abundant number, since it is smaller than the sum of its proper divisors (830470868).

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

469161280 is a wasteful number, since it uses less digits than its factorization.

469161280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29952 (or 29935 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 469161280 is about 21660.1311168700. The cubic root of 469161280 is about 777.0352498685.

The spelling of 469161280 in words is "four hundred sixty-nine million, one hundred sixty-one thousand, two hundred eighty".