Search a number
-
+
26455333740 = 223511372773911
BaseRepresentation
bin11000101000110111…
…000101101101101100
32112021201101012101120
4120220313011231230
5413140031134430
620053045340540
71624405424613
oct305067055554
975251335346
1026455333740
1110246389890
125163a07750
132657bba044
1413cd78087a
15a4c847610
hex628dc5b6c

26455333740 has 192 divisors, whose sum is σ = 83313957888. Its totient is φ = 6215961600.

The previous prime is 26455333721. The next prime is 26455333741. The reversal of 26455333740 is 4733355462.

It is a junction number, because it is equal to n+sod(n) for n = 26455333692 and 26455333701.

It is not an unprimeable number, because it can be changed into a prime (26455333741) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6762385 + ... + 6766295.

It is an arithmetic number, because the mean of its divisors is an integer number (433926864).

Almost surely, 226455333740 is an apocalyptic number.

26455333740 is a gapful number since it is divisible by the number (20) 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 26455333740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41656978944).

26455333740 is an abundant number, since it is smaller than the sum of its proper divisors (56858624148).

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

26455333740 is a wasteful number, since it uses less digits than its factorization.

26455333740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4248 (or 4246 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 42.

The spelling of 26455333740 in words is "twenty-six billion, four hundred fifty-five million, three hundred thirty-three thousand, seven hundred forty".