465389280 has 192 divisors, whose sum is σ = 1724950080. Its totient is φ = 116785152.

The previous prime is 465389279. The next prime is 465389311. The reversal of 465389280 is 82983564.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70272 + ... + 76608.

It is an arithmetic number, because the mean of its divisors is an integer number (8984115).

Almost surely, 2^465389280 is an apocalyptic number.

465389280 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 465389280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (862475040).

465389280 is an abundant number, since it is smaller than the sum of its proper divisors (1259560800).

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

465389280 is a wasteful number, since it uses less digits than its factorization.

465389280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6378 (or 6364 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 465389280 is about 21572.8829784060. The cubic root of 465389280 is about 774.9472208247.

The spelling of 465389280 in words is "four hundred sixty-five million, three hundred eighty-nine thousand, two hundred eighty".