465227780 has 48 divisors (see below), whose sum is σ = 1043688240. Its totient is φ = 173580288.

The previous prime is 465227753. The next prime is 465227821. The reversal of 465227780 is 87722564.

It can be written as a sum of positive squares in 8 ways, for example, as 6240004 + 458987776 = 2498^2 + 21424^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32366 + ... + 44474.

It is an arithmetic number, because the mean of its divisors is an integer number (21743505).

Almost surely, 2^465227780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 465227780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (521844120).

465227780 is an abundant number, since it is smaller than the sum of its proper divisors (578460460).

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

465227780 is a wasteful number, since it uses less digits than its factorization.

465227780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12248 (or 12246 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 465227780 is about 21569.1395285023. The cubic root of 465227780 is about 774.8575693857.

The spelling of 465227780 in words is "four hundred sixty-five million, two hundred twenty-seven thousand, seven hundred eighty".