469780440 has 32 divisors (see below), whose sum is σ = 1409341680. Its totient is φ = 125274752.

The previous prime is 469780439. The next prime is 469780489. The reversal of 469780440 is 44087964.

It is a junction number, because it is equal to n+sod(n) for n = 469780392 and 469780401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1957299 + ... + 1957538.

Almost surely, 2^469780440 is an apocalyptic number.

469780440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

469780440 is an abundant number, since it is smaller than the sum of its proper divisors (939561240).

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

469780440 is a wasteful number, since it uses less digits than its factorization.

469780440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3914851 (or 3914847 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 469780440 is about 21674.4190233556. The cubic root of 469780440 is about 777.3769217542.

The spelling of 469780440 in words is "four hundred sixty-nine million, seven hundred eighty thousand, four hundred forty".