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404064201222 = 2331129107257853
BaseRepresentation
bin1011110000101000001…
…10100110101000000110
31102121221221002011222000
411320110012212220012
523110010413414342
6505342522050130
741123042020113
oct5702406465006
91377857064860
10404064201222
111463a9786990
1266388349946
132c14564b036
14157b1c6990a
15a79d60144c
hex5e141a6a06

404064201222 has 256 divisors, whose sum is σ = 1027980979200. Its totient is φ = 116524154880.

The previous prime is 404064201187. The next prime is 404064201223. The reversal of 404064201222 is 222102460404.

404064201222 is a `hidden beast` number, since 4 + 0 + 4 + 0 + 642 + 0 + 12 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404064201223) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 473697348 + ... + 473698200.

It is an arithmetic number, because the mean of its divisors is an integer number (4015550700).

Almost surely, 2404064201222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404064201222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (513990489600).

404064201222 is an abundant number, since it is smaller than the sum of its proper divisors (623916777978).

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

404064201222 is a wasteful number, since it uses less digits than its factorization.

404064201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268 (or 1262 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 404064201222 its reverse (222102460404), we get a palindrome (626166661626).

The spelling of 404064201222 in words is "four hundred four billion, sixty-four million, two hundred one thousand, two hundred twenty-two".