465622840 has 64 divisors (see below), whose sum is σ = 1097712000. Its totient is φ = 177515520.

The previous prime is 465622819. The next prime is 465622841. The reversal of 465622840 is 48226564.

It is a self number, because there is not a number n which added to its sum of digits gives 465622840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465622841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89100 + ... + 94180.

It is an arithmetic number, because the mean of its divisors is an integer number (17151750).

Almost surely, 2^465622840 is an apocalyptic number.

465622840 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 465622840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (548856000).

465622840 is an abundant number, since it is smaller than the sum of its proper divisors (632089160).

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

465622840 is a wasteful number, since it uses less digits than its factorization.

465622840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5200 (or 5196 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The square root of 465622840 is about 21578.2955768059. The cubic root of 465622840 is about 775.0768373349.

The spelling of 465622840 in words is "four hundred sixty-five million, six hundred twenty-two thousand, eight hundred forty".