Search a number
444444455555556 = 2231712791951873091
BaseRepresentation
bin110010100001110000100100…
…1111001010101000111100100
32011021122110211021102102001220
41211003201021321111013210
5431223234221110234211
64213130544134220340
7162421023633626061
oct14503411171250744
92137573737372056
10444444455555556
11119682920577595
1241a20390ab46b0
13160cbc17416821
147ba732544dc68
15365b048445806
hex1943849e551e4

444444455555556 has 96 divisors (see below), whose sum is σ = 1099462264750080. Its totient is φ = 139252965696000.

The previous prime is 444444455555549. The next prime is 444444455555563. The reversal of 444444455555556 is 655555554444444.

It is an interprime number because it is at equal distance from previous prime (444444455555549) and next prime (444444455555563).

It is a plaindrome in base 10.

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, 508610571 + ... + 509483661.

It is an arithmetic number, because the mean of its divisors is an integer number (11452731924480).

Almost surely, 2444444455555556 is an apocalyptic number.

444444455555556 is the 13333334-th centered pentagonal number.

It is an amenable number.

444444455555556 is an abundant number, since it is smaller than the sum of its proper divisors (655017809194524).

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

444444455555556 is a wasteful number, since it uses less digits than its factorization.

444444455555556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876345 (or 876343 counting only the distinct ones).

The product of its digits is 7680000000, while the sum is 69.

The spelling of 444444455555556 in words is "four hundred forty-four trillion, four hundred forty-four billion, four hundred fifty-five million, five hundred fifty-five thousand, five hundred fifty-six".